OpenTechnical

OT-2026-000022078

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000022078) never changes.

Identity and time

Publication numberOT-2026-000022078 · never reused
Internal UUID01a0ae6f-bb5c-78cb-a7d4-222635fab4b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022078
StatusPUBLIC

Content hashes

Canonical textfe0fb0b3d9f160e3594f392025e4c86374ed4dc68d3a29c23d4808f9f092b268
Markdownd77b3891e571e2b67f3f939614d9e6571bc2e6ace1ae2642bf82ddb188ba58ed
PDF
Publication page0f5dcdd545dad6dfce901adb54906e00ec48718702ac562fec388097733a8c52
Manifest7eb21f90a2772fe201aef28e2219dce52d29caaa52a1245045f95893e4b294c6

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
Signature4eBpLclXUtSfuWsq9Olw3WWP9/NkVElH7Agu0KCktLn80ohmYFzzz3TUKzCAEBjgXZNnf/GTJZC5Dhda2uwgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:46.530140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022078
observed 0f5dcdd545dad6dfce901adb54906e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.512482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022078/manifest.json
observed 7eb21f90a2772fe201aef28e2219dce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.495477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022078/publication.md
observed d77b3891e571e2b67f3f939614d9e657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.478756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022078/publication.txt
observed fe0fb0b3d9f160e3594f392025e4c863...
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.