OpenTechnical

OT-2026-000073846

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000073846) never changes.

Identity and time

Publication numberOT-2026-000073846 · never reused
Internal UUID01a0ae93-2b8e-7208-8af6-ee6d289f341b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073846
StatusPUBLIC

Content hashes

Canonical text73b9adcc690a354a25fc9e507c1b2eca9b6a1bd535011c8dbaa10d16285bb2cb
Markdowneeaa09b2e1105d6864c9490c391fe6b2e68991c3eab3dfa769c5e1bc13fcfb16
PDF
Publication page0fcfd8d101a3b9b3c574c977d1d3dd0228b482855f86bf37b631b60ab1a91840
Manifestdfd12d614db041806ba170448ea364faa7edc761b0d4496086e566adddbb6432

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
SignatureQ9ylKMcRteFOpvGFSP70CecwDgRvVUTfhvZ/fMlowWTiEuXlZLraflfY5192uaYr52DEMK6aV19sH6DzAm1dCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:58.956517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073846
observed 0fcfd8d101a3b9b3c574c977d1d3dd02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.937267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073846/manifest.json
observed dfd12d614db041806ba170448ea364fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.916568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073846/publication.md
observed eeaa09b2e1105d6864c9490c391fe6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.897453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073846/publication.txt
observed 73b9adcc690a354a25fc9e507c1b2eca...
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.