OpenTechnical

OT-2026-000053180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053180) never changes.

Identity and time

Publication numberOT-2026-000053180 · never reused
Internal UUID01a0ae84-a432-74b6-b7a7-71d6b53aab1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053180
StatusPUBLIC

Content hashes

Canonical text348234422afd8602866fbbc34df70b952c1aa0e97e7a89472111628a42ba777e
Markdown9c9c511ea021969e299397895660a8132fada264e2ffeedffd790f37b71e785e
PDF
Publication page0f64b00b44e1b11d826c28ce4b79d17c7d142483b3673a4e32fc59bfb494b6ed
Manifest33c686bfb34162d52bd2fa4463441242c4be3e898d9688b0fcf0b662120eef13

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
Signature6GvdducRIrCAMzAn8ODjy8Hc4Hmzp+mI57xp/S9QCGL3cr2BlEBxsGNJSHTovh2KVZUqv253coDIdKE/+wQ3DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:00.320887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053180
observed 0f64b00b44e1b11d826c28ce4b79d17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.303634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053180/manifest.json
observed 33c686bfb34162d52bd2fa4463441242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.286470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053180/publication.md
observed 9c9c511ea021969e299397895660a813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.267942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053180/publication.txt
observed 348234422afd8602866fbbc34df70b95...
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.