OpenTechnical

OT-2026-000068657

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068657) never changes.

Identity and time

Publication numberOT-2026-000068657 · never reused
Internal UUID01a0ae90-2483-7fe5-8853-5f3089d97de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068657
StatusPUBLIC

Content hashes

Canonical texte8e17cdcc5d8148c29e2197eda7b40dd76a16e6000ca98487419d5b9dc07b744
Markdown8f54e4a87deff9b21d20c97719dfabacd591940691668e22edd1699a635ecacd
PDF
Publication page776f3d983ecc1b736be6f22d607b929ae60a4a7007f6412c11baa126fed5bbac
Manifest242b44eefe410f00becb407f14fdbbf36475b4ca379d6d52f0ae83ddc4ac17c8

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
Signatuream+q/nHK2tmrK9Z+FRoNcn2dmpnJNciaM43G/yB97TSPCkBn0fBh0EqTZ6Nj0A7zSTj43VzNhn1WvwsJNDv1CQ==
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

2026-09-17T10:29:51.177439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068657
observed 776f3d983ecc1b736be6f22d607b929a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.158247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068657/manifest.json
observed 242b44eefe410f00becb407f14fdbbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.140592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068657/publication.md
observed 8f54e4a87deff9b21d20c97719dfabac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.124884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068657/publication.txt
observed e8e17cdcc5d8148c29e2197eda7b40dd...
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.