OpenTechnical

OT-2026-000072093

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line 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-2026-000072093) never changes.

Identity and time

Publication numberOT-2026-000072093 · never reused
Internal UUID01a0ae92-47c1-7c84-9b54-088e7f8341cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072093
StatusPUBLIC

Content hashes

Canonical text8973dec7757e95f62aa2dc36aa27e9c9a4dce4c6c9b3ba28d4ed276a8dfa9c89
Markdownc76694a28b817e335823dc95b021840f8f1920d446158983cf6ef901bbf9bf68
PDF
Publication pageb6d6fc473dc3870c73a4e8e273f444cbf510e5ed154ee2005845347a8e276d9d
Manifest1947d7a5ee0132125ffbdbe78116ede168fd8fed9abad664a49b23784e05d049

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
SignatureCA4vqCzxx8DJ3Gm94y6JhffOEqSb1i9nlVvuRUnedVDVGtPjG5bIa1RcjtJxHHbomSbG61GcEHG/2Ps+xGfKCg==
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

2026-09-17T10:23:10.418978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072093
observed b6d6fc473dc3870c73a4e8e273f444cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.400939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072093/manifest.json
observed 1947d7a5ee0132125ffbdbe78116ede1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.383451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072093/publication.md
observed c76694a28b817e335823dc95b021840f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.363745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072093/publication.txt
observed 8973dec7757e95f62aa2dc36aa27e9c9...
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.