OpenTechnical

OT-2026-000088143

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088143) never changes.

Identity and time

Publication numberOT-2026-000088143 · never reused
Internal UUID01a0ae9b-1aa8-7876-8672-09d9780b8cc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088143
StatusPUBLIC

Content hashes

Canonical text2d83156450eb23d163b5def8f0ee1116579028b49b02b8d79f62367d500955a5
Markdown1eeb7ae4bb73d75d3bc464b507bc770806c8840dc2e02ff140366f79b9355cce
PDF
Publication pagebef5e65e26b9fcb394a7802605bdcfc804a2baca148b444332f791f47d82d8dd
Manifest8dac614bf1feab0940ebbd68139561c26f5894f8370dad7f0258890b4875214e

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
SignatureGfN23uj8AQZdhAZuDkbRA9fJk0qkC5nKsITCy8AEMOTQgYVQiDOALKvyh9iO79tlBqumFSpyImX5Pbiq5mwVAg==
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

2026-09-17T09:50:10.738516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143
observed bef5e65e26b9fcb394a7802605bdcfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.718031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/manifest.json
observed 8dac614bf1feab0940ebbd68139561c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.699061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/publication.md
observed 1eeb7ae4bb73d75d3bc464b507bc7708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.679725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/publication.txt
observed 2d83156450eb23d163b5def8f0ee1116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.015447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143
observed bef5e65e26b9fcb394a7802605bdcfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.994422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/manifest.json
observed 8dac614bf1feab0940ebbd68139561c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.973608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/publication.md
observed 1eeb7ae4bb73d75d3bc464b507bc7708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.954370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088143/publication.txt
observed 2d83156450eb23d163b5def8f0ee1116...
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.