OpenTechnical

OT-2026-000075404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000075404) never changes.

Identity and time

Publication numberOT-2026-000075404 · never reused
Internal UUID01a0ae93-f201-7f9a-aedc-1f2df963efe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075404
StatusPUBLIC

Content hashes

Canonical text05a1fe53bb6de0f48976dec5aec36838df757a9ee25fb22250ff1428071a28b5
Markdown67a2b0ec1ed4829e685ed2f2ab0bd88d0a0733f170eb0f19a0517f3b15abe3d7
PDF
Publication page636c5b73bf88fac695e2ee1e0fe41eba0f45c48a3ff7bd2a0623359dc5eba6c7
Manifesta744d2dbbddb21cde6ebf9ecefd2588b6e8af546a7bb136cda0d3a134012c6a2

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
SignatureYMVILwvlmBwz5w9Z+pPSk9zgDmlyCSj+jSsyFi4D2ngyoV6LePH37stSn6vGhli5LU9cDGXGsfSAclrfD45qAw==
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

2026-09-17T10:17:30.980181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075404
observed 636c5b73bf88fac695e2ee1e0fe41eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.961628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075404/manifest.json
observed a744d2dbbddb21cde6ebf9ecefd2588b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.942941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075404/publication.md
observed 67a2b0ec1ed4829e685ed2f2ab0bd88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.548541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075404/publication.txt
observed 05a1fe53bb6de0f48976dec5aec36838...
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.