OT-2026-000067271
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000067271) never changes.
Identity and time
| Publication number | OT-2026-000067271 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-6bd6-71e1-b178-a469ff612368 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:29.998864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067271 |
| Status | PUBLIC |
Content hashes
| Canonical text | aab924ac3c0cbe811b0273c7e8fd4c6d6e06b655e01111edada3f28311ad39a7 |
|---|---|
| Markdown | 994d03590ede94a20ab3b133dd16efeb669e9deb0d769465cc7ae2523beb7d90 |
| Publication page | fe360ad5aa15a9d76b2bf72087ad68aae1d908853c811e35110dd599a941c12d |
| Manifest | 69bed01d7a392dd5fef51bb30a495e73d05abd0e16554ab2877f5ee3f54d2423 |
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 | DSyji2wBpVObjG4JQNATg5ex2d+1ht22wnyocOWLSWGtJhNNy8c0RHyHK1SpwTlKUOy1sja9xbpqfeHSxHQlDg== |
| 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
| 2026-10-20T12:41:36.496384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271observed fe360ad5aa15a9d76b2bf72087ad68aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:36.440891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/manifest.jsonobserved 69bed01d7a392dd5fef51bb30a495e73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:36.264353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/publication.mdobserved 994d03590ede94a20ab3b133dd16efeb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:36.152445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/publication.txtobserved aab924ac3c0cbe811b0273c7e8fd4c6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:16.836613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271observed fe360ad5aa15a9d76b2bf72087ad68aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:16.767853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/manifest.jsonobserved 69bed01d7a392dd5fef51bb30a495e73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:16.714389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/publication.mdobserved 994d03590ede94a20ab3b133dd16efeb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:16.575999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067271/publication.txtobserved aab924ac3c0cbe811b0273c7e8fd4c6d...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 |
|---|