OpenTechnical

OT-2026-000071295

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000071295) never changes.

Identity and time

Publication numberOT-2026-000071295 · never reused
Internal UUID01a0ae91-e0ec-78df-998f-654f5f638504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071295
StatusPUBLIC

Content hashes

Canonical text06549957d10bba9beeb9e958826c5b24f1242619120ea0879015f0b8d92048e7
Markdownea78e994b10911bcdc05fdd4ad364fd2e353fd9e977bc45cdc9193ba10772e55
PDF
Publication page94ed30370acff713030da99f7c92298bee21d073d646ddc8a06796b971899313
Manifestfd5eefcfdba5f97795d5229c4bb3d16d73f9e06a6721ee5ebd82f2708a54458c

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
Signaturetcto3vKOZowyU+r8ee9/9X2w+FxJPbOawGEOe+c06nemrIbTyDnzFHUyKIV/xakEm6/iMy3fkGwGslsnuFSLBA==
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

2026-09-17T10:24:44.676049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071295
observed 94ed30370acff713030da99f7c92298b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.658689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071295/manifest.json
observed fd5eefcfdba5f97795d5229c4bb3d16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.642524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071295/publication.md
observed ea78e994b10911bcdc05fdd4ad364fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.623265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071295/publication.txt
observed 06549957d10bba9beeb9e958826c5b24...
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.