OT-2026-000004274
Publication integrity record
Porous face vacuum gripper, per zone isolation, two outlet manifold, pump fed
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-2026-000004274) never changes.
Identity and time
| Publication number | OT-2026-000004274 · never reused |
|---|---|
| Internal UUID | 01a0a912-fca2-73bd-a19a-730808b920a5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:28.965137Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004274 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69c5ceefea7e124c11210d6e0e0badbe56ec7125f9d9a0743c02a5cb7f7d4404 |
|---|---|
| Markdown | 26b19d6e12b19c835b690d0e1dcf17ea92d552be50cf5df6c905e4857cbdb38e |
| Publication page | 12191878c6f90fffbbd006fc9cd1cea242b31a67d87141b57f6b506ddc90f90a |
| Manifest | 35e5504af925461279f18330fb727a4fbeda00bb46b4d8f4b02e9bb62942fd5c |
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 | dlHcrCm7ScwQuGvCM75IF05zY3Zl7SXP14nNPokUKj5vZim/HX4u2XjzqJTM6462yTSXfsUV9RoeYixZCKlLCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:16.457865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004274observed 12191878c6f90fffbbd006fc9cd1cea2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:16.442382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004274/manifest.jsonobserved 35e5504af925461279f18330fb727a4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:16.427715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004274/publication.mdobserved 26b19d6e12b19c835b690d0e1dcf17ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:16.413239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004274/publication.txtobserved 69c5ceefea7e124c11210d6e0e0badbe...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. |
|---|