OpenTechnical

OT-2026-000073567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000073567) never changes.

Identity and time

Publication numberOT-2026-000073567 · never reused
Internal UUID01a0ae92-efb9-79a6-9a98-c5a08eb217bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073567
StatusPUBLIC

Content hashes

Canonical text78358230436bdbddfcd0441a0e7319a4a1da45487a927de14e9848a1dfdf3965
Markdownc6049c807f289d1d4ba3b2d3bdfacef6e91d97dedfd8b7857ce62d61ced066ed
PDF
Publication pagee24546e1aea1f033fc71ba339eb7d47188136d9437613dd205f8c7b6c1a9f7c9
Manifest12e9a0fc9355700620e7e04b7386eef174e4fafa6454c2ea5b1d375dc7b63103

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
SignaturetM3xkA5gPe0URR2edbWJs5GXPFBJa0hlRbsvbczblBNKTv3iNOIS6OxmSNecsD/nvHGgk4IJAVDe9KFLXwykBA==
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

2026-09-17T10:21:44.489258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073567
observed e24546e1aea1f033fc71ba339eb7d471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.471476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073567/manifest.json
observed 12e9a0fc9355700620e7e04b7386eef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.453244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073567/publication.md
observed c6049c807f289d1d4ba3b2d3bdfacef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.437220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073567/publication.txt
observed 78358230436bdbddfcd0441a0e7319a4...
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.