OpenTechnical

OT-2026-000071439

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000071439) never changes.

Identity and time

Publication numberOT-2026-000071439 · never reused
Internal UUID01a0ae91-e0ed-7978-96c3-12b04d1b12e4 · 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-2026-000071439
StatusPUBLIC

Content hashes

Canonical text6e76dbfaa5aca5d65e516cac3f8708dba8781e4fe3eb15ddabfe25fa4c3728d6
Markdownbdd73e973086f7e8cd91d75a7e73b4b5ee300ebaffe2f9ea53430b31ffb4bcba
PDF
Publication pagecb232009feeeed91a0dad8b725dd2f0089bcef36e2293109d6db9dc8692fea52
Manifest94b2d21d93a33f9ddac6449af96fc75c86eb0cec3a426bb69d7737d465865fa0

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
SignatureGYy56aqTYEbt/mt5myRW2/ZhaUqeiQotKiTgvVouEGeGoyMJwzxq7M+vQgQLNvX4ur8Vylsy3BukTWZEpDHFDQ==
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

2026-09-17T10:25:04.828280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071439
observed cb232009feeeed91a0dad8b725dd2f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.811510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071439/manifest.json
observed 94b2d21d93a33f9ddac6449af96fc75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.793431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071439/publication.md
observed bdd73e973086f7e8cd91d75a7e73b4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.773084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071439/publication.txt
observed 6e76dbfaa5aca5d65e516cac3f8708db...
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.