OpenTechnical

OT-2026-000034475

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000034475) never changes.

Identity and time

Publication numberOT-2026-000034475 · never reused
Internal UUID01a0ae76-1ed0-723f-a6be-094908b90cdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034475
StatusPUBLIC

Content hashes

Canonical textd097bd087febe414d52f77b6b282ade6db8128165570d7c0b31e2c04f45e2207
Markdownbb75528f5175710fe5e98a27460d0cd0f81192f54f8b394608794801d5253e5e
PDF
Publication page9f05892a2e02670d6e50d616fefd553ccd123fe2c20ec7db49534c6a658e9f1b
Manifestc0d51c46d7edd4c73f2e804da900c218382b24f2a597888d89e03822e282a04b

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
SignatureU1SuuC+7Zlvn9QLNewSBQ3ax1DaSytmUmOcoDWRer7puzTyDyu1QNsYwLdGzXAGOsneYqJ82xkxU/K+XWRk9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:48.277713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034475
observed 9f05892a2e02670d6e50d616fefd553c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.261968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034475/manifest.json
observed c0d51c46d7edd4c73f2e804da900c218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.245167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034475/publication.md
observed bb75528f5175710fe5e98a27460d0cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.229194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034475/publication.txt
observed d097bd087febe414d52f77b6b282ade6...
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.