OpenTechnical

OT-2026-000076772

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000076772) never changes.

Identity and time

Publication numberOT-2026-000076772 · never reused
Internal UUID01a0ae94-b06f-773d-930c-29f5a25ec1aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076772
StatusPUBLIC

Content hashes

Canonical text727f08290632ad6cafd1ae16b1777642601b538595b4e6dc7b02cdb0879f27ab
Markdown576fc27be35317efd5640de3a6c22ae6350a8855fa0bc40dea78ee8a5ed1bddd
PDF
Publication pageb9f550bad42140f55937bef1c3e09e52fd6905ea89df48d39acd213cbba0af47
Manifest8296917c85b5dc984e4e63b419f50c617fd857ad09e6bd02b36071e36d715611

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
SignatureifnlHzq+ST3mSyvkqvuAkElzYhVf5w1coZm1p3g3GTxq9H8V6W1y9sdl5jxBxU1P4EX1S5U10Q7IX9uHYQWTBw==
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

2026-09-17T10:09:37.954299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076772
observed b9f550bad42140f55937bef1c3e09e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.935298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076772/manifest.json
observed 8296917c85b5dc984e4e63b419f50c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.916004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076772/publication.md
observed 576fc27be35317efd5640de3a6c22ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.896634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076772/publication.txt
observed 727f08290632ad6cafd1ae16b1777642...
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.