OpenTechnical

OT-2026-000023478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023478) never changes.

Identity and time

Publication numberOT-2026-000023478 · never reused
Internal UUID01a0ae70-7269-7aa2-8357-cd313f777a1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023478
StatusPUBLIC

Content hashes

Canonical text219ad1ed8ec57ab937b643a488cc579eda5f36ed616859af188e14ca22a71cc5
Markdownef0123199314672672fe4a1948d59ef5de78f94094fdabd8788537876786566e
PDF
Publication pagea94bd25f1c74c1591f9e68fdb05ca85059b07aa3a9049c69859aab5dbccefc7d
Manifest93243db16a6cb24b47dd32a2ba15adb3e5f1495f574ddeade6f45e176609c853

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
Signature6Fbkx5+gJWYeqn45FDyFt/oyv5wkMMcOBNX9hazrSOyqZN3uKFaRpxRodoMHi81BdEnzlzEzK1groJlVrCA4Dg==
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

2026-09-17T11:51:42.177441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023478
observed a94bd25f1c74c1591f9e68fdb05ca850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.160416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023478/manifest.json
observed 93243db16a6cb24b47dd32a2ba15adb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.143697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023478/publication.md
observed ef0123199314672672fe4a1948d59ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.124695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023478/publication.txt
observed 219ad1ed8ec57ab937b643a488cc579e...
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.