OT-2026-000076887
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076887) never changes.
Identity and time
| Publication number | OT-2026-000076887 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b070-7a92-970c-fbdf4be5c46e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 03d319d2e98c824c1b1d3424385040d4916386e362c1d147877ababebfe33e30 |
|---|---|
| Markdown | 11fcb40677b34a188b4fc6eedbe8b099d722330b1a80297c6b658d9e27b250d3 |
| Publication page | 25589d1f2330b8c0b8753a79012a80f24dca68655f90c6a713ccdf2ad9a2d50c |
| Manifest | c74669ef9f6b2e948fcd1bcc6beeb9bbaaf7d9ca3ec653cec2f3f05a0fa42af5 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | M5+doJphS2URc482NYEDkrXEVmZjAPobSzXFc+5LxkrEZG3clx24bCyoP5fuxsxuqMAhLnF1ZXvcRs4Nis/GAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-21T16:41:58.104213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887observed 25589d1f2330b8c0b8753a79012a80f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T16:41:58.033007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/manifest.jsonobserved c74669ef9f6b2e948fcd1bcc6beeb9bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:57.959053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/publication.mdobserved 11fcb40677b34a188b4fc6eedbe8b099...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:57.897534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/publication.txtobserved 03d319d2e98c824c1b1d3424385040d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:46.161185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887observed 25589d1f2330b8c0b8753a79012a80f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:46.082223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/manifest.jsonobserved c74669ef9f6b2e948fcd1bcc6beeb9bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:45.987954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/publication.mdobserved 11fcb40677b34a188b4fc6eedbe8b099...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:45.884824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076887/publication.txtobserved 03d319d2e98c824c1b1d3424385040d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|