OpenTechnical

OT-2026-000039872

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000039872) never changes.

Identity and time

Publication numberOT-2026-000039872 · never reused
Internal UUID01a0ae78-d8d6-7c4c-9385-33259fbf3926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039872
StatusPUBLIC

Content hashes

Canonical textdc80b367c1143f48a36d66a7345f87ca1a9f5be580d4ae5c8f581e6232e5fe75
Markdown107ebd4ca44281b251b2576e44de6e1675435548f21555cfe2d0727f90126850
PDF
Publication pagee2734151082b7ccdce8ada19c8b30bb02c9995ae0cefbfdfbd8bbf2e60771b17
Manifesteae4cbac5a1f33a250a44daa2f46510395b92103d5f72b92ef9b53574b5e2a60

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
SignatureDhADUIPhWx4JSAGhUZVJ3DCyLmQwlPfB2A+Qfl93Okxy0t6RgOSIZ3brWcVpPefQagPpeMKgy2yhqPUsu/MbAw==
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

2026-09-17T11:20:09.290011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039872
observed e2734151082b7ccdce8ada19c8b30bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.258846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039872/manifest.json
observed eae4cbac5a1f33a250a44daa2f465103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.239888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039872/publication.md
observed 107ebd4ca44281b251b2576e44de6e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.208191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039872/publication.txt
observed dc80b367c1143f48a36d66a7345f87ca...
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.