OpenTechnical

OT-2026-000033927

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033927) never changes.

Identity and time

Publication numberOT-2026-000033927 · never reused
Internal UUID01a0ae75-a392-70bf-b5bf-6ba02d600ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033927
StatusPUBLIC

Content hashes

Canonical text8ee599cd29352b164334d10f7b0458869ffe29df978e252d71b5a7d5567245fe
Markdown094e52d19d04d8b9c288fe2ce68dc2449023c8ffc9b781a48605bdbcea08672a
PDF
Publication page018f1bae5ff18f3b1ab0c12b11e5c64a589726bc75dd43ccc3d02519e00a8fdf
Manifesteb84ffe7e6e65eccd6aad4e1a837e5b63644f869f4945b4be46e028c464cae08

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
Signature+A+Rh7IfhsrRGt3jlNH2nH4oSk28LQTx+fNs13RiK83WmsMXVM1J8ARnGd0bIqrYKd9Sye2z26vp3XfNKNf1Ag==
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

2026-09-17T11:32:00.716081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033927
observed 018f1bae5ff18f3b1ab0c12b11e5c64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.695655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033927/manifest.json
observed eb84ffe7e6e65eccd6aad4e1a837e5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.678608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033927/publication.md
observed 094e52d19d04d8b9c288fe2ce68dc244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.661735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033927/publication.txt
observed 8ee599cd29352b164334d10f7b045886...
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.