OT-2026-000005921
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, vented after set down, open cell
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-2026-000005921) never changes.
Identity and time
| Publication number | OT-2026-000005921 · never reused |
|---|---|
| Internal UUID | 01a0a949-44d7-7b77-97c5-eda7afd581e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:15:46.395218Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9393324076f0267121dd9469ec866b5aff8cb20ce4393becaa0e6bb70a765c96 |
|---|---|
| Markdown | 28877edc9f0f2a0ba1a6ca5d9fa6ea183f4ae91247df900be5f9d18d8d5226a7 |
| Publication page | df9cd1ae7d851aecbb66cdb67887d2e94e6e2fd01ba5274bd52ce1f946d71586 |
| Manifest | 3ca613621dea60e74b927ed95e1add565d1a1db3ad07331f45ad6332099ae0f5 |
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 | bzpWyxOb4Oe6BNohgfwgXtw1ReEtvrZFWoqcgIYwl06WuRNRLs83Qd35bWVLb4iN3BPlf38OpznZOBlJpybuAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:17.233502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005921observed df9cd1ae7d851aecbb66cdb67887d2e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:17.215272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005921/manifest.jsonobserved 3ca613621dea60e74b927ed95e1add56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:17.198253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005921/publication.mdobserved 28877edc9f0f2a0ba1a6ca5d9fa6ea18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:17.181312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005921/publication.txtobserved 9393324076f0267121dd9469ec866b5a...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. |
|---|