OpenTechnical

OT-2026-000069974

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000069974) never changes.

Identity and time

Publication numberOT-2026-000069974 · never reused
Internal UUID01a0ae91-1860-7f53-a2f8-4838f8b68c50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069974
StatusPUBLIC

Content hashes

Canonical textd032b0e9a961033b96e85d78588ec0bfc53bb3088b6047647f5bf12a50be3faf
Markdown5a41125c0c829393459d8c360d649f43352319d0544af225248fed6beeff0c76
PDF
Publication page857ba2397538cf3dae980a38a021286e9662cece4d93ee7ff7b20437a8ec950f
Manifest1a1effef16da50ed33e2024c82739417e2f899121d97daf9879a4a519307d6b4

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
SignatureQoTFCbxDuE3s/45ZQG+FsQ2Djw9ZH6r+jXGOjmu2cd+F/iZyt1wpWAJ1vFiHKlcutgB0bbSM0S+CRtyO3OZZCA==
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

2026-09-17T10:26:55.080888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069974
observed 857ba2397538cf3dae980a38a021286e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.063954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069974/manifest.json
observed 1a1effef16da50ed33e2024c82739417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.048007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069974/publication.md
observed 5a41125c0c829393459d8c360d649f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.029955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069974/publication.txt
observed d032b0e9a961033b96e85d78588ec0bf...
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.