OpenTechnical

OT-2026-000070687

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000070687) never changes.

Identity and time

Publication numberOT-2026-000070687 · never reused
Internal UUID01a0ae91-8c2c-7ff6-a198-7cd228d2b862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070687
StatusPUBLIC

Content hashes

Canonical text5b73cce5899906ed39e9d644f17d5e4906ac5e7c0d68c6cc2ddc8faa8beb57aa
Markdownab14ad911c74fd4d9e53b86767459a570228555505d346c43f6822584a446e58
PDF
Publication page720dd5708999d46e019a27008448e551f7efd6750e558599070797ae6f06eca1
Manifest5b0c3c85ddc9f7e7462c7ca588e216d60c74ce1d919466372d68b5181f5da9fd

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
Signature3D3FkCoFWHTSYwU0R1FZGA6ngnyvjV0wvEAWGgDOSBIbvnNcr3M4m6Wfw0S8KOoCeNIEoxZMf5kEunHkbB9LBQ==
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

2026-09-17T10:25:22.069044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070687
observed 720dd5708999d46e019a27008448e551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.051444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070687/manifest.json
observed 5b0c3c85ddc9f7e7462c7ca588e216d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.033142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070687/publication.md
observed ab14ad911c74fd4d9e53b86767459a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.014519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070687/publication.txt
observed 5b73cce5899906ed39e9d644f17d5e49...
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.