OpenTechnical

OT-2026-000103699

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000103699) never changes.

Identity and time

Publication numberOT-2026-000103699 · never reused
Internal UUID01a0aea4-e462-76ea-8de1-5483fb744cd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103699
StatusPUBLIC

Content hashes

Canonical texta54eba8bf49aa4aa9ab68d9ba52a4b745f47750a7a494421bb3af896d619d5c1
Markdown46fef8ba381118ee96d38828de56000f9105e1cd26ebd20b6f7da82cda697bfe
PDF
Publication pageb10ce1a517261ebd4a5c8fedac51aa16f49e980a80c8954d436884102882c5bd
Manifest33a3effa17d0eeaa94bb2778f40f31feab0f00a1865580ba2378baaf78392d0d

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
Signaturex8JZtFVtJLG9+Q28fx/6A7G3PNEDnTiHpxGylB3s4wxFxW3IEcsLC3XIVX2Ry2BRpkGnDig8c49hRyYf/jBrBw==
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

2026-09-17T09:22:30.333390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103699
observed b10ce1a517261ebd4a5c8fedac51aa16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.316680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103699/manifest.json
observed 33a3effa17d0eeaa94bb2778f40f31fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.299040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103699/publication.md
observed 46fef8ba381118ee96d38828de56000f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.280372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103699/publication.txt
observed a54eba8bf49aa4aa9ab68d9ba52a4b74...
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.