OpenTechnical

OT-2026-000097717

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000097717) never changes.

Identity and time

Publication numberOT-2026-000097717 · never reused
Internal UUID01a0aea1-92f5-7462-82f4-131eaad29246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097717
StatusPUBLIC

Content hashes

Canonical text85461e64ffb7b32827db1ae32166e64eb83ba2883b77cf5a281c0eafb676a595
Markdown5657d7ce3666af7270d79b9ce9070f0655de5620f410644ed9b3026a19c5f1e0
PDF
Publication page45a74d37f7ad72bb6fcad3c5955087bd1b708ef4edf76aebfa031cad891e56a6
Manifest5f384d4b870ba6164a77add9b839f0991f2af6c596e3ca74ccad8478cd545e87

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
SignatureUU3XcUME8XhskulllgrEOuNmzqHzVPFA353Q3K2L5BKGmARzcs9aMuDSq/wEWGvC5iLPEFwgfhVKO7X7wVSUDA==
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

2026-09-17T09:32:44.829656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097717
observed 45a74d37f7ad72bb6fcad3c5955087bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.812457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097717/manifest.json
observed 5f384d4b870ba6164a77add9b839f099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.793970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097717/publication.md
observed 5657d7ce3666af7270d79b9ce9070f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.774109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097717/publication.txt
observed 85461e64ffb7b32827db1ae32166e64e...
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