OpenTechnical

OT-2026-000055779

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055779) never changes.

Identity and time

Publication numberOT-2026-000055779 · never reused
Internal UUID01a0ae87-09cb-7307-81ab-9a8abf3e80d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055779
StatusPUBLIC

Content hashes

Canonical textaf68d97478265cb7b7f1f357d46ef4e9a3d206b36b73412d465b424af26d01d7
Markdownfc9f32abeda8f6153a4baf154a8fabe22a130ec5d21e1261ec7bbe4757ea2ba0
PDF
Publication page7c85a8695e03eced8a98f4ee555d79a32219035591a9c67bfb8a76d28d0106a3
Manifest19dd1e438dc0cf61939b546f7e828fb73c92f6b208225a0471102cb7a6145300

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
SignaturesvAy0yberDRrA46AOWNKzwU78b9nP0vCN4D10lNWvbW1nfu4a3q/VZZMCuV1rbx1Da3+0uJHaHvDkQiB0BlOAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:08.612343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055779
observed 7c85a8695e03eced8a98f4ee555d79a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.592850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055779/manifest.json
observed 19dd1e438dc0cf61939b546f7e828fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.571829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055779/publication.md
observed fc9f32abeda8f6153a4baf154a8fabe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.553141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055779/publication.txt
observed af68d97478265cb7b7f1f357d46ef4e9...
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.