OpenTechnical

OT-2026-000102141

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000102141) never changes.

Identity and time

Publication numberOT-2026-000102141 · never reused
Internal UUID01a0aea4-50f2-729d-9353-353d4593258c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102141
StatusPUBLIC

Content hashes

Canonical texte56541233ee9ac849c033b7f6da73ffb82e6b6280f457b64f8949b8d5da7ebef
Markdowne3e4df104bb22aecbef5d2551c229e1a38e93ff6e294db39bcb4fc03521ecfa7
PDF
Publication page6f4ff6ec4ccdf61354f869bb92680e299814d021fc01ab687d00f692844116ba
Manifest62fc3a22f32b37346b40be6f7bf5a2b7d80a6642b559aa23616c39d22f1d2831

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
Signaturem38ktNRY9nLswPpeREB6dnM4fVEIj/qtVEzsk4iwNshhPc4HRXtE6I4FyZlggQS1cWarlNZ/XUkSwaGl6tPAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:18.352648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102141
observed 6f4ff6ec4ccdf61354f869bb92680e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.332751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102141/manifest.json
observed 62fc3a22f32b37346b40be6f7bf5a2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.314993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102141/publication.md
observed e3e4df104bb22aecbef5d2551c229e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.296578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102141/publication.txt
observed e56541233ee9ac849c033b7f6da73ffb...
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.