OpenTechnical

OT-2026-000063131

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000063131) never changes.

Identity and time

Publication numberOT-2026-000063131 · never reused
Internal UUID01a0ae8c-94aa-7418-bf53-5205ae41a386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063131
StatusPUBLIC

Content hashes

Canonical texta9771c65e0ee16ee5af0a4071cc4910d70312cd4d082a97ad347f298befa35ea
Markdown7cfdcd83e74d8e5ea31c76193bb0bf0ca0a5d0647eb365f9d51a322f65bc530a
PDF
Publication page072136a12e9409df2dee884e0e880f0c57ef503f017af01cc26577db6b3c7ef6
Manifestd5ee11d0e44ab0bc8332d2be8bc7c4dd0d10fb933749c47204ac41f2aac00488

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
SignatureXRvC8pJ1H8+riZjyIuZccBjX1rF0nIT8pqbf7GmzR/Dee4kbZO08hsD+1H/hK8ktSfKlx1py6DL+v6/n2wPJCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:54.793025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063131
observed 072136a12e9409df2dee884e0e880f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.775610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063131/manifest.json
observed d5ee11d0e44ab0bc8332d2be8bc7c4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.759572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063131/publication.md
observed 7cfdcd83e74d8e5ea31c76193bb0bf0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.742424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063131/publication.txt
observed a9771c65e0ee16ee5af0a4071cc4910d...
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.