OpenTechnical

OT-2026-000007970

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000007970) never changes.

Identity and time

Publication numberOT-2026-000007970 · never reused
Internal UUID01a0ae6a-908b-72be-a477-79845f767ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007970
StatusPUBLIC

Content hashes

Canonical text957a46fa7a0ddef0be31ef0ab7330e4bbcbcb9d1005248463de1dd28198a548d
Markdown228521f54683ded1ce252dac98bebcfdd7107284d598be9a64b18311694a7d41
PDF
Publication pagebbbe90b14c1fc950bde3c782d0b757053a3b627db5a30e789d6e4b16767b8880
Manifestf7ea2a82d75e3dfa151b63717c0bcfbe35afdbdc1591d240f239b24cd6d48cc7

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
SignatureYQdzI/+jO/B7PTiz/Z+BXO8IY9qGoBdnHMqN+/+GYLGfk5nvAQ1fEMOGzAoNcGqM09/C8SxG3nRYHYJaFM1fDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:30.479196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970
observed bbbe90b14c1fc950bde3c782d0b75705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.456082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/manifest.json
observed f7ea2a82d75e3dfa151b63717c0bcfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.404680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/publication.md
observed 228521f54683ded1ce252dac98bebcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.944263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/publication.txt
observed 957a46fa7a0ddef0be31ef0ab7330e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.470329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970
observed bbbe90b14c1fc950bde3c782d0b75705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.451203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/manifest.json
observed f7ea2a82d75e3dfa151b63717c0bcfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.431676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/publication.md
observed 228521f54683ded1ce252dac98bebcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.411893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007970/publication.txt
observed 957a46fa7a0ddef0be31ef0ab7330e4b...
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.