OpenTechnical

OT-2026-000102691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102691) never changes.

Identity and time

Publication numberOT-2026-000102691 · never reused
Internal UUID01a0aea4-858b-7cc7-b527-653cc8e9e817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102691
StatusPUBLIC

Content hashes

Canonical textfd4e785dc11755dabcc1b3aebf5b3283538e68308cf680645061af395f79e723
Markdown5ef9c804c3574715557a51d09842c4f0be11289b1eea037cc336523ab13e928f
PDF
Publication page1d7be367a39f1610c839897639105e0561fe7bc5fe0db65e0065e9a733492d6c
Manifest58d5f948a62c48a1e006855323df09a8d6cb13cf2de43cabf6d6635f9bdd473f

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
SignatureeFTyFObsLySx70Z0925g7V9wVTqD+I33u9lB6S+uFb4ygb63mkqxN7lPbDiShuy9oTsqqCd1/ueBl8uWG8iYCA==
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

2026-09-17T09:24:11.982833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102691
observed 1d7be367a39f1610c839897639105e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.966212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102691/manifest.json
observed 58d5f948a62c48a1e006855323df09a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.947281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102691/publication.md
observed 5ef9c804c3574715557a51d09842c4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.927793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102691/publication.txt
observed fd4e785dc11755dabcc1b3aebf5b3283...
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.