OpenTechnical

OT-2026-000070349

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000070349) never changes.

Identity and time

Publication numberOT-2026-000070349 · never reused
Internal UUID01a0ae91-545f-76b6-8813-8459d86f67aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070349
StatusPUBLIC

Content hashes

Canonical text97cfd67758c463b507d4b17fd78d1ff396254f540e0a4706b4c915229d6f6ac9
Markdown5144bd3435cfaa65841d4dbdf0d8ff7c77519215af70b4993701e524f8ffed30
PDF
Publication pagefc1a04e34447a2930bef5cb0e90860bb3b2bcc07d4c0fae66214e1131e30d842
Manifest2a7822e37d6babbf879de9227b1f3bf3b8a65166270354cf17b186947afac22d

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
SignaturePoMLFT6bqRlUXXxe/qZl/ktdO0dy/NA77ucSzCoWuxJca7q2HFWsFzvhEwBnIush9cs9TSUCNoz6UUvtNG4uDw==
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

2026-09-17T10:26:08.715514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070349
observed fc1a04e34447a2930bef5cb0e90860bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.696844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070349/manifest.json
observed 2a7822e37d6babbf879de9227b1f3bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.678696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070349/publication.md
observed 5144bd3435cfaa65841d4dbdf0d8ff7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.660755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070349/publication.txt
observed 97cfd67758c463b507d4b17fd78d1ff3...
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.