OpenTechnical

OT-2026-000035999

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000035999) never changes.

Identity and time

Publication numberOT-2026-000035999 · never reused
Internal UUID01a0ae77-01cd-75bc-879d-fe2aa65d2470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035999
StatusPUBLIC

Content hashes

Canonical text81b475f83b51095f3d6c46e8b19f683a8236a2ee8a498868a3f77b7dfb484a1c
Markdown2d94af1ab9c0d53e05e4b9bad8207f80fa13c2a0461e26f84fc6993cd8f3918c
PDF
Publication page12d918937b87719516b27b7b467e631e40bbfe3509ef480c2688442e724e7426
Manifest0a0790648e6f014a1c5d68a3feed262e6de241c92109d2e988da1fdfbac7fbbb

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
SignatureeBUCSoplOexrBBV6Hw8ImMli613sdTF3E2Z3/3AX3TyKPoM7wXjTl0GH+CHe8+dwncUeL556QI66NztUsltoDQ==
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

2026-09-17T11:26:09.572495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035999
observed 12d918937b87719516b27b7b467e631e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.555428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035999/manifest.json
observed 0a0790648e6f014a1c5d68a3feed262e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.537012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035999/publication.md
observed 2d94af1ab9c0d53e05e4b9bad8207f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.520530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035999/publication.txt
observed 81b475f83b51095f3d6c46e8b19f683a...
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.