OT-2026-000077109
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000077109) never changes.
Identity and time
| Publication number | OT-2026-000077109 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-78df-8303-97f6a13853ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077109 |
| Status | PUBLIC |
Content hashes
| Canonical text | b79d0993189bba7bf639ce7856756fcfaee5fd78014ea5eb58a43d61c3ac86c5 |
|---|---|
| Markdown | 2a134fc50abe61a7e5bea10ba2c27f65ab75f1384763d0336c4272c0f057e1f7 |
| Publication page | b4f54faf501c484a5dbe1f5dade18e58e3cbfb135f7165946c65c5af65c8ff1d |
| Manifest | 1d49e206c82db5a197426b5267f8c50130de6b5731f3b680631a4c592327ed39 |
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 | jAVeYES34NtTg2w4qdDuSn/bcxNWsTOEVJ6FYFiJZ82VnkGPDXAk+jgpns9uzHZ9Fr9xtbCwxhYiT9d8FS9+CA== |
| 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
| 2026-09-17T10:11:35.050074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109observed b4f54faf501c484a5dbe1f5dade18e58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:35.032322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/manifest.jsonobserved 1d49e206c82db5a197426b5267f8c501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:35.008871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/publication.mdobserved 2a134fc50abe61a7e5bea10ba2c27f65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:34.989927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/publication.txtobserved b79d0993189bba7bf639ce7856756fcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:34.484967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109observed b4f54faf501c484a5dbe1f5dade18e58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:34.466631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/manifest.jsonobserved 1d49e206c82db5a197426b5267f8c501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:34.447723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/publication.mdobserved 2a134fc50abe61a7e5bea10ba2c27f65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:34.430723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077109/publication.txtobserved b79d0993189bba7bf639ce7856756fcf...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|