OpenTechnical

OT-2026-000057679

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000057679) never changes.

Identity and time

Publication numberOT-2026-000057679 · never reused
Internal UUID01a0ae88-2695-71a7-8df6-ec19410dc488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057679
StatusPUBLIC

Content hashes

Canonical textd6db1832b70cbd13f96c5224b8a526ebb26ea77a1b1ecce3c85a8bdaf30a318d
Markdown7d73ceb50af67ced7b53e3b847856c1b2d287036c0390c465cc012de7e855d0d
PDF
Publication page579f2eb29c42f4cd389283fdde2fbf809ed1b140a5ac0966418ff7058a2593fc
Manifest11b91a035d06e6704fb73a4b62628c64d14b17b090fbfac1169f524488c634b8

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
Signaturev00qxiM9Nm6oC8dHVzEaSPCCleX1Y1dpKLqNpHd0+ZKDEn8Denrkoal934wZOouROZY1o3XUhWWJrauk2u0CDQ==
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...

Independent retrieval

2026-09-17T10:48:20.227497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057679
observed 579f2eb29c42f4cd389283fdde2fbf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.208336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057679/manifest.json
observed 11b91a035d06e6704fb73a4b62628c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.187338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057679/publication.md
observed 7d73ceb50af67ced7b53e3b847856c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.168693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057679/publication.txt
observed d6db1832b70cbd13f96c5224b8a526eb...
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.