OpenTechnical

OT-2026-000043435

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000043435) never changes.

Identity and time

Publication numberOT-2026-000043435 · never reused
Internal UUID01a0ae7b-327f-716c-894d-77c6a8753e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043435
StatusPUBLIC

Content hashes

Canonical textb3149782e92a8565cb43e6e4d8824f9e6ccbe42d415101525e477de8c452df75
Markdown25f12cff076b2d9b34c41b6703df1dfa57d061ed05d0fa3e2b5e6042131aef22
PDF
Publication page90bdc280b6eb1197008b826cecac496b02bd1e660030d580362532b5e4e34bb6
Manifest9c07e037d08c867212ac641a873cd7c9951b59e6380ff0873df4a9fbb7989e39

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
Signature97C8ic4Xn6EaK9iIeXKWIegOeMtE3BCuNwZEgaWI3Zv8Th4wQig8PnGhrw0tXzgCxChno0mXFKY6/dDbeRBRAw==
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

2026-09-17T11:13:58.922945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043435
observed 90bdc280b6eb1197008b826cecac496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.901801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043435/manifest.json
observed 9c07e037d08c867212ac641a873cd7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.882215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043435/publication.md
observed 25f12cff076b2d9b34c41b6703df1dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.862789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043435/publication.txt
observed b3149782e92a8565cb43e6e4d8824f9e...
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.