OpenTechnical

OT-2026-000071545

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000071545) never changes.

Identity and time

Publication numberOT-2026-000071545 · never reused
Internal UUID01a0ae91-e0ee-775b-80cc-b2268a446d92 · 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-2026-000071545
StatusPUBLIC

Content hashes

Canonical textf3cc871f65e8d2ac2b202a92cf53b9bcae3f6386fd5a40088c78679020b30c82
Markdowncf62f2271d5d8e37c5c4c1e12246260d6cdac471b3700e0ed49c3c4ec9504aa7
PDF
Publication page0c4c114de0f69d7ae9277bfbe859ed41b25f9d6c1a8970b89c788c6a8dedb8f8
Manifestd7291d0370a623592e0ecaba61a2187a5e8dec36e664776fe92455e5ce3a2aa6

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
SignaturefW6APTHD7aSH/xCBMIrQRuq/JKBXLgQCxzOjfMaU4p/no2pPZzmjNlMYs9ThRr+Jl4FKRnNi6YPT6X8jIm/ECw==
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

2026-09-17T10:25:11.992698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071545
observed 0c4c114de0f69d7ae9277bfbe859ed41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.974074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071545/manifest.json
observed d7291d0370a623592e0ecaba61a2187a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.957202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071545/publication.md
observed cf62f2271d5d8e37c5c4c1e12246260d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.941536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071545/publication.txt
observed f3cc871f65e8d2ac2b202a92cf53b9bc...
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.