OT-2026-000004753
Publication integrity record
Vacuum cup gripper, common isolation valve, ejector fed, silicone cups, oval form
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-2026-000004753) never changes.
Identity and time
| Publication number | OT-2026-000004753 · never reused |
|---|---|
| Internal UUID | 01a0a922-4478-72e0-b6de-eefa69486b91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:10.398391Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004753 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1bcd744de48b0e6b14a1dd2adad4fdddf06a0c3d66f69f5b5314f0f4576c66ac |
|---|---|
| Markdown | 516f81de4c81ba1cc57562edb7b5238ad2fa09a3888508e9e1dd750fd42b26a6 |
| Publication page | 5a736dcc5ee9f124902b521941d6bbe6d1a9002aafc8288fde9a5c58148fa82a |
| Manifest | daa7d34926aaebb00ff5c491154f6b66dc56d0ef418a1d999bd76b201ec6b15b |
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 | OU44i/Aa/Eemlt1K0CVQy7cTlnL1v7i2xLZ5GMdyclrLC49Rp4Ud7yuxSJuggzegpanQsZ9CG4ywOTRtgcvoBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:22.679234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004753observed 5a736dcc5ee9f124902b521941d6bbe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:22.667588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004753/manifest.jsonobserved daa7d34926aaebb00ff5c491154f6b66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.655111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004753/publication.mdobserved 516f81de4c81ba1cc57562edb7b5238a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.642330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004753/publication.txtobserved 1bcd744de48b0e6b14a1dd2adad4fddd...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. |
|---|