OpenTechnical

OT-2026-000040621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000040621) never changes.

Identity and time

Publication numberOT-2026-000040621 · never reused
Internal UUID01a0ae79-6d0e-7382-b3da-5e4cc4a4a139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040621
StatusPUBLIC

Content hashes

Canonical textb6b7cf0fb032b219dc24872c9ffb25eba6cec5ed7a050efab4806da22c8ffdf6
Markdown5930326d1421f25344c4b4722f5ad9131e107d4df2f77a02f486006656fc5d26
PDF
Publication pageeb5646e757779118f2786d7ea6ddb2feb899d6f23cf67baa4a3f3f15f00a1e52
Manifest2ba903728b2a2fbafd948e6e5de5f7d3bb47c9f3c5181e8297684ebf5d59f680

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
Signatureg7WjS+Z0Q/ueUQ57uuRqS2kdu6R8TSCnZZU+6dzB17Gz4yzDVh3fb3RczScw6c+abOybXNW0byFcyJoHfhp5DA==
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

2026-09-17T11:17:47.626473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040621
observed eb5646e757779118f2786d7ea6ddb2fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.609571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040621/manifest.json
observed 2ba903728b2a2fbafd948e6e5de5f7d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.593598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040621/publication.md
observed 5930326d1421f25344c4b4722f5ad913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.576436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040621/publication.txt
observed b6b7cf0fb032b219dc24872c9ffb25eb...
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.