OpenTechnical

OT-2026-000045015

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000045015) never changes.

Identity and time

Publication numberOT-2026-000045015 · never reused
Internal UUID01a0ae7c-f767-77b5-92c8-1b666913dc7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045015
StatusPUBLIC

Content hashes

Canonical texta9998cfe015ce3bd226066682b5c2b99a7fc91771e3a1d44d11261aea5487808
Markdownc65132d4860d5251d083d5e21e10cdeb51f1d1595b89910b1e8f8bb50924a76a
PDF
Publication pagef181a848213447053eb0e1f76b12e4b0c92fcfe9f64524b314e4f68ad65857ac
Manifest368c9791cc3f7093d502883fde3e1e7236c9bc0132dfbb9181308f560250a94d

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
SignatureAiAMiTVJBA5iBEIxmzVar1L6wu6RAB6tXNZWJQVrOAhTYyIq4+MdgsPo1ZwBVfnM/Yl6trwjpkyHNWF78GTOAQ==
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

2026-09-17T11:10:01.395367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045015
observed f181a848213447053eb0e1f76b12e4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.376408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045015/manifest.json
observed 368c9791cc3f7093d502883fde3e1e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.358567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045015/publication.md
observed c65132d4860d5251d083d5e21e10cdeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.338866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045015/publication.txt
observed a9998cfe015ce3bd226066682b5c2b99...
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.