OpenTechnical

OT-2026-000055929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000055929) never changes.

Identity and time

Publication numberOT-2026-000055929 · never reused
Internal UUID01a0ae87-0a4a-7697-afc5-8e36adf0a464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055929
StatusPUBLIC

Content hashes

Canonical text6d50c09fdfb3e0cf2714a9b586f3e2c2f14aba56e4c13d5d17462c15799abaa6
Markdown2be6ae60a061faf798acf255c8e59c6b946f1b51dcfbce577d826af9193af591
PDF
Publication page9ded0204fca938cf9742ac117b73f092246d68e7d4fc4f2e9a140f35e5ae4379
Manifest9a35e8124a3e3da0136e644b43c9b54f0da15da49f0acf55f715551c17b01380

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
Signaturew2Veu9igA7SFF9+LudzX9a37eC7ibJqV0iGQt7wOGAyAqSLdLgC1lOQldwxOxXBX7gxcWDvhc7rb6SOqYyLWAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:26.537632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055929
observed 9ded0204fca938cf9742ac117b73f092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.517760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055929/manifest.json
observed 9a35e8124a3e3da0136e644b43c9b54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.498451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055929/publication.md
observed 2be6ae60a061faf798acf255c8e59c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.481050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055929/publication.txt
observed 6d50c09fdfb3e0cf2714a9b586f3e2c2...
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.