OpenTechnical

OT-2026-000063644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000063644) never changes.

Identity and time

Publication numberOT-2026-000063644 · never reused
Internal UUID01a0ae8c-f946-7691-81e1-93d6a89c4643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063644
StatusPUBLIC

Content hashes

Canonical text5fb09480e431f36647ce3be5011071fb70899129799d1f6202e3c6782f2aca96
Markdowne5875fbdf8fb0504d2481a57d1f61b7082e5779b1f1ed598fc7e07eb19223f11
PDF
Publication page8a6468c4a9e42ea0897aab7337ec36f60bb806686200ab3cd0ee3b8be269fbc8
Manifeste1fdc77f2b572c38a68d91d50370bf269d4a7aac46b07e2b15bf922a07fed080

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
Signature1GZFYNjMDiZIAKjC2CK3NdiB3LPmJZdmrqVeq0MBmhZj0PYoMpSt391Fq0Xg6JXDNYTQ7XY7nnQXJoR81+8QDg==
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

2026-09-17T10:37:44.885153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063644
observed 8a6468c4a9e42ea0897aab7337ec36f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.867073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063644/manifest.json
observed e1fdc77f2b572c38a68d91d50370bf26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.845789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063644/publication.md
observed e5875fbdf8fb0504d2481a57d1f61b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.826379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063644/publication.txt
observed 5fb09480e431f36647ce3be5011071fb...
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.