OpenTechnical

OT-2026-000039674

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039674) never changes.

Identity and time

Publication numberOT-2026-000039674 · never reused
Internal UUID01a0ae78-d8d4-70d7-b60b-de01f13c53d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039674
StatusPUBLIC

Content hashes

Canonical text456b565c217afb07b24ebe8a4236455b1aee23104bba3489058f56213082f888
Markdown4070cee2a4e104100916a8e1464ec6de7da9acc85a8b39107aa77c405b95626e
PDF
Publication page7e2da174825a2277a749978d5d3e741b608b2e792d2cda0dc0e22a44061ae516
Manifest3f2996b5140641cf6bd0d324b1e39b80becbf26ca5cb4f04eb53ef42581d2fdd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturefo7lXQ27cxdby1d938Emrg1dBwNoezac2DwfESsdkFo+n56E+EUEhQ8ooWDqkkhGMmJ6BJg3h/YurKS/FgfECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:51.597519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039674
observed 7e2da174825a2277a749978d5d3e741b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.579120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039674/manifest.json
observed 3f2996b5140641cf6bd0d324b1e39b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.559014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039674/publication.md
observed 4070cee2a4e104100916a8e1464ec6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.540285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039674/publication.txt
observed 456b565c217afb07b24ebe8a4236455b...
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 archivePending 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 packagePending Custody packages are produced weekly.