OpenTechnical

OT-2026-000081136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000081136) never changes.

Identity and time

Publication numberOT-2026-000081136 · never reused
Internal UUID01a0ae96-b977-7b60-8a62-a5853209e85c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081136
StatusPUBLIC

Content hashes

Canonical text1705716fbc71ab87083225f415623ae479730953498bf944a7a1505a5a780bcb
Markdown10d4d0daf93785389235218522507f22c65008a0e2d7da929582081a42a8f259
PDF
Publication page3bb98fe1cbb8dd45438721d26c0867c41b720640b2db3a84a59400be0fe4cdcb
Manifest7df5ccf7c7152d30c9871998024b77ece5f244292bed81c37126440b3d83b69e

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
SignatureZ3ypalygN+D8G1wXFrLPOXcWMBLnTJ7xoqapPjD7tkhzQpjmsvCm647JEYVJ+CJ1FXHNN4kB9NnCujO7zm9BBg==
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

2026-09-17T10:02:26.981655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081136
observed 3bb98fe1cbb8dd45438721d26c0867c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.964540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081136/manifest.json
observed 7df5ccf7c7152d30c9871998024b77ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.948101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081136/publication.md
observed 10d4d0daf93785389235218522507f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.930494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081136/publication.txt
observed 1705716fbc71ab87083225f415623ae4...
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.