OpenTechnical

OT-2026-000074575

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074575) never changes.

Identity and time

Publication numberOT-2026-000074575 · never reused
Internal UUID01a0ae93-717b-727c-8c9e-774ba4588b29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074575
StatusPUBLIC

Content hashes

Canonical text6224202f1bba5eae65e7bd24da8d9de30c1339007129d4fb4718c37e76505137
Markdowndbfd94799b7fbc2f19148ee85b25506b12fa1f79ada679411acb7b55580cfedc
PDF
Publication pagea817afc417dd90e2d350662ccbec0b448e64f61f81ee30320520f1d059dedd6b
Manifestff79b8a3e006d48d5f041c80fc97dd082212bfa78a69992b0042236f6bcf6eef

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
Signature050YcJDzucg5ZfWdBzPJ8kW5Gnj6oIc8OZy3dgiSQkOSMN6Sh013ZWsoYs9WLCkXNcS/7XfhAjcW8SGBAT0IAA==
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

2026-09-17T10:19:35.615159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074575
observed a817afc417dd90e2d350662ccbec0b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.598490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074575/manifest.json
observed ff79b8a3e006d48d5f041c80fc97dd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.580890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074575/publication.md
observed dbfd94799b7fbc2f19148ee85b25506b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.562048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074575/publication.txt
observed 6224202f1bba5eae65e7bd24da8d9de3...
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.