OpenTechnical

OT-2026-000071459

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071459) never changes.

Identity and time

Publication numberOT-2026-000071459 · never reused
Internal UUID01a0ae91-e0ed-7b68-9acf-b4d1772843b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071459
StatusPUBLIC

Content hashes

Canonical textaaf93a3fad98d3daac6b30f77fb70bc9508b46c6ea9cd3b1d7ebfb8da56b12d1
Markdown0b58374d951eb91863910aa27123724628fbe084ce7897fd14c6e18b0a85aba7
PDF
Publication pagef345cb439021a34c5e7c6df5142cb756222ec279df0638f559154ae6e4e70cb0
Manifest38ff1641a456cc9635f8622c489cfbf952ede7f04fa47abe2152c83b6fc0b103

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
SignatureOdFV7CxBJ01UyaHZIFbWOI5pi+G+lQMBvquczpos1m+KfGewCKyVj7OWmvJLr9oGFDaYeFb3DAbnPuQ3WKOpBQ==
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

2026-09-17T10:25:06.017439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071459
observed f345cb439021a34c5e7c6df5142cb756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.999990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071459/manifest.json
observed 38ff1641a456cc9635f8622c489cfbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.982847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071459/publication.md
observed 0b58374d951eb91863910aa271237246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.964252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071459/publication.txt
observed aaf93a3fad98d3daac6b30f77fb70bc9...
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.