OpenTechnical

OT-2026-000027576

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000027576) never changes.

Identity and time

Publication numberOT-2026-000027576 · never reused
Internal UUID01a0ae72-6999-7411-96bb-1eebfbd3bdc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027576
StatusPUBLIC

Content hashes

Canonical text80f9da0074f6e8ab5a6b48f524f0b7f102f33df1d4897d0903fb4abd244b3239
Markdown1c0270c2cc5fe77f4737b43c8a19c9f0f0be1750bb92a055b1d0433057efc18c
PDF
Publication page06dc5ed9054b5e56ef424ab8daf85a68986f733098dd2097a78dc85aa8c8fbed
Manifest5fce457717124541a3d83f204c2f8c1a52e4487e3b489b3c3e737f3c14e6fcbe

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
Signature+Kl5hKsmOTSPoVsAi8Od4KSeqWChKFaeL+NaL9sKS6S7wq3RetrNhC78bWBD5iUuVsahAS2kCbiL2JwWuO/AAw==
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

2026-09-17T11:43:04.167876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027576
observed 06dc5ed9054b5e56ef424ab8daf85a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.149365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027576/manifest.json
observed 5fce457717124541a3d83f204c2f8c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.124646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027576/publication.md
observed 1c0270c2cc5fe77f4737b43c8a19c9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.105669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027576/publication.txt
observed 80f9da0074f6e8ab5a6b48f524f0b7f1...
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.