OpenTechnical

OT-2026-000091669

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091669) never changes.

Identity and time

Publication numberOT-2026-000091669 · never reused
Internal UUID01a0ae9d-43b8-7a69-bd43-64e218986d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091669
StatusPUBLIC

Content hashes

Canonical text5bb2c390cdf1f2f0ebc23c28a11aed0f3af870842f1e60903bab8f93cd876056
Markdown616a4702b90f4e53e1d77bacafc49c1779b56a72912951c86f4bf4cdeec18230
PDF
Publication page8391a0c71ab1506a00c73693a1de917c2ed3a0508e48e8c189cc0ad821002e0d
Manifest01b586e1b1a36586319bffc01cb1f14de03864f73cd0585fa65a61d522e87462

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
SignatureAsUbIRJITFiz9+2X5ZztHFV4FMFIMdtEA3miZZQaarDbyvtmYLSuyM+bi8EBhGfqe5l2GdE4/q7D4e0epELVDA==
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

2026-09-17T09:42:02.824997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091669
observed 8391a0c71ab1506a00c73693a1de917c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.808498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091669/manifest.json
observed 01b586e1b1a36586319bffc01cb1f14d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.790209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091669/publication.md
observed 616a4702b90f4e53e1d77bacafc49c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.773250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091669/publication.txt
observed 5bb2c390cdf1f2f0ebc23c28a11aed0f...
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.