OpenTechnical

OT-2026-000104531

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000104531) never changes.

Identity and time

Publication numberOT-2026-000104531 · never reused
Internal UUID01a0aea7-239f-7a13-a28c-5f0800820c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104531
StatusPUBLIC

Content hashes

Canonical text59b7ec1d1d4661f1f6b8b0280a8e2eacf837b48aaac6a7e01bb51376e89bc7f6
Markdown7a47d9efa82d0d8d7c1eee8637a48330680441fef0393bc8da7e7bef32d7ffb8
PDF
Publication page51dc6b9a4febf55d736030919f74949df9943d516fe26dafbdf798e3ff4d7908
Manifest638767ff7eee7e3bf3fba8228b89f0476a89dd6637f638b7d5295b044f3371e4

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
Signature/oeYQAhc+eTCTKi8lUf+QpdwqewnYQcazNyfe7Ae30WIXMqjLavimiDjS0xtiJHqj07xtAPP5V8UMJ9rUdedAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:02.886865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104531
observed 51dc6b9a4febf55d736030919f74949d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.871901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104531/manifest.json
observed 638767ff7eee7e3bf3fba8228b89f047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.855165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104531/publication.md
observed 7a47d9efa82d0d8d7c1eee8637a48330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.837782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104531/publication.txt
observed 59b7ec1d1d4661f1f6b8b0280a8e2eac...
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.