OpenTechnical

OT-2026-000038464

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000038464) never changes.

Identity and time

Publication numberOT-2026-000038464 · never reused
Internal UUID01a0ae78-2d53-7847-b623-fb8a81ec6c04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038464
StatusPUBLIC

Content hashes

Canonical text568230ef0650b9698a38b7ef77e99c1fd1255c77937c4e62f426cdb5e8da5a1d
Markdown9cab0d654f1ff3e73390f2c86ed19c12c06f872283235f8d7a5cfdc4cc2cbc5e
PDF
Publication page4ac91be43199cfbef2d077a5fd3075e642b859bae938fb69097e432a170a127c
Manifest37c7ed5e1f4434c198de88e21aa3f2317bc092453bad67c1609e99cf0fa1771c

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
SignatureC8gaztmvh45xcmInqXyRiLkxP/xTapcjVAPxEjqRdvKiUByVGPJgq2QC1Rp24AGmRraf067UPzSY9ykiOkGHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:41.983030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038464
observed 4ac91be43199cfbef2d077a5fd3075e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.965203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038464/manifest.json
observed 37c7ed5e1f4434c198de88e21aa3f231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.947563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038464/publication.md
observed 9cab0d654f1ff3e73390f2c86ed19c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.929165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038464/publication.txt
observed 568230ef0650b9698a38b7ef77e99c1f...
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.