OpenTechnical

OT-2026-000070737

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000070737) never changes.

Identity and time

Publication numberOT-2026-000070737 · never reused
Internal UUID01a0ae91-8c2c-74f2-be1b-f36927f28342 · 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-2026-000070737
StatusPUBLIC

Content hashes

Canonical textd40c4a2973814270893466fa326bfb8bbd0db62ad43362699f7430ce31589f43
Markdownd3e4736fdf0bed40bbb386d7214b967e1d2c58ff86b6730c6aee57e1c386343c
PDF
Publication pageade4939aef74e84a6d9ce6a0fe6f7f3e232c3e9caad7e6ce6b4124cc7893c6d1
Manifest3f1f45222cb39cd4516c73cb12a94bb12f412d763d0dd31885abf7310eaccefd

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
SignatureKwCb0hzsh7Z6Pqbmunx5mUG/LkLGFmwD3SVi+oUwpzO8iJNFqvZ9xi98WVka6Gx036RhFXFuC8PTk0eOe6ADDA==
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

2026-09-17T10:25:24.817808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070737
observed ade4939aef74e84a6d9ce6a0fe6f7f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.799380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070737/manifest.json
observed 3f1f45222cb39cd4516c73cb12a94bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.780416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070737/publication.md
observed d3e4736fdf0bed40bbb386d7214b967e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.761590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070737/publication.txt
observed d40c4a2973814270893466fa326bfb8b...
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.