OpenTechnical

OT-2026-000060683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000060683) never changes.

Identity and time

Publication numberOT-2026-000060683 · never reused
Internal UUID01a0ae8a-b7ce-7c22-ae7c-73bd61c75c24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060683
StatusPUBLIC

Content hashes

Canonical textbb7bd493bd485a122a8b9d1ecd080f2d50aa1d2eeb633415bd7348c9a46bdc4d
Markdown0e78701e9d8867821701aacac90a70b9ca5a4512521a56e071d5026f0ad44d09
PDF
Publication page8a2252df53a0cb448ad23e278f96b7e000c6d7d5a3dd226e48d033b911bf6586
Manifestfe82e840d5c45adf5ef8c9b4b345c13a021e3c9c4ed9745c542d419390f847d0

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
SignatureaOLnh6h4XdGV7KDHD+Hiw69MeHGeJH4NXRkb0PpIQpGXzeE1i0FAhIPWd7q4qRxyWHOM0AxKL2uwRiVrLEtxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:19.558175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060683
observed 8a2252df53a0cb448ad23e278f96b7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.541104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060683/manifest.json
observed fe82e840d5c45adf5ef8c9b4b345c13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.524026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060683/publication.md
observed 0e78701e9d8867821701aacac90a70b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.506061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060683/publication.txt
observed bb7bd493bd485a122a8b9d1ecd080f2d...
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.