OpenTechnical

OT-2026-000072327

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072327) never changes.

Identity and time

Publication numberOT-2026-000072327 · never reused
Internal UUID01a0ae92-47c3-71cc-85be-e22892700a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072327
StatusPUBLIC

Content hashes

Canonical textdb4c11ed530329f6b4b7f96feaa111f1293a3d4650837270c795cfa55736b63b
Markdown6861e072690674fd4236da3f7612149e9a434b7a5c02a3514653dbb719ef1ccc
PDF
Publication pageab7676bd639f4e666ae7946fcf21d6e4b41f7abc48241c2150ed7e495d886ca8
Manifestacf3b57b2ac6ee1c58e4d7ff35104d72ad873218a117f7bfab0892ebe522df66

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
SignatureoWb18Ek+/eEMNbiMPChPRMVgQzmxRT03q05s2pdhscTySq4RqUIGCExMGbhCwYz69MJW1tLGmAkGvKEIQJtvAg==
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

2026-09-17T10:23:32.972953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072327
observed ab7676bd639f4e666ae7946fcf21d6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.957411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072327/manifest.json
observed acf3b57b2ac6ee1c58e4d7ff35104d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.941874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072327/publication.md
observed 6861e072690674fd4236da3f7612149e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.925433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072327/publication.txt
observed db4c11ed530329f6b4b7f96feaa111f1...
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.