OpenTechnical

OT-2026-000027960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000027960) never changes.

Identity and time

Publication numberOT-2026-000027960 · never reused
Internal UUID01a0ae72-a51f-782b-a095-70a49c0fb017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027960
StatusPUBLIC

Content hashes

Canonical textd36bea4467c8a7ddace288a76105522376056a937e7ac0c56fb09debdb3fbd40
Markdown04b1b9fd6d2a166e99d0ef26edca514e08aa4b9d67a34def0cd51f9886117780
PDF
Publication pagef996227a326982c62faa36989b77a6272702dd1082c02d3b95b5415979b68fbe
Manifest67b552c7888d067f4aab9eafa4e463b9d445bc0bc246dd7e6e0a574fb8e43b75

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
Signature8lr85XjoJEu5uUtnwfUh08htCwubHpWMlE0C+JxjnAfbmK/izz+9CurpY9x6a4rbjV7tIS6GHnfllHJp2nPDAA==
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

2026-09-17T11:42:08.889928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027960
observed f996227a326982c62faa36989b77a627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.872583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027960/manifest.json
observed 67b552c7888d067f4aab9eafa4e463b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.854128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027960/publication.md
observed 04b1b9fd6d2a166e99d0ef26edca514e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.837328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027960/publication.txt
observed d36bea4467c8a7ddace288a761055223...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent