OpenTechnical

OT-2026-000089436

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089436) never changes.

Identity and time

Publication numberOT-2026-000089436 · never reused
Internal UUID01a0ae9b-db02-7a69-b9f7-279dd1101e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089436
StatusPUBLIC

Content hashes

Canonical text8a37a5e6909cd8e84e4051e9df9ef46a49439bb6a642f0e488e9f30dcd879d6a
Markdown0d40039515a319bf1720da094cae0329a5a2cf77d4c2d6c519d9387dfae8c8ae
PDF
Publication pagecd9c0314987b0082646d802219c07b62f015340d1d3f3a7cfd1ecbdaea3c04c7
Manifest6eb877299dc3ec569bbe600096dead4e8a4ea315ac60df1f137873d68bbcaab2

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
SignatureCC94j+hp6Sky9t1lIgom7vg6EIIiTFZ5A2R/Mmni8w3eIY3DrIxlAkqB+Y/KxRA/PwoFpKsc1ykg2cjH8aU7BA==
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

2026-09-17T09:47:34.923310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089436
observed cd9c0314987b0082646d802219c07b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.906380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089436/manifest.json
observed 6eb877299dc3ec569bbe600096dead4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.889312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089436/publication.md
observed 0d40039515a319bf1720da094cae0329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.871811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089436/publication.txt
observed 8a37a5e6909cd8e84e4051e9df9ef46a...
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.