OpenTechnical

OT-2026-000073067

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000073067) never changes.

Identity and time

Publication numberOT-2026-000073067 · never reused
Internal UUID01a0ae92-c816-744e-8a01-90eed799605c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073067
StatusPUBLIC

Content hashes

Canonical text59461a56c7b89cfb4e23301e19abe4a476fd7d55b00e8c8a763ce1c729a44977
Markdown25e55d47be9b061665646a3c9da05d83d2c4ab3ba5b5264b71164487c9b8bad9
PDF
Publication pagec28df58a0add8ceaa7a8a778c7cb71f7cb63e553f466c1daa68a305a0d3f8a0c
Manifestdc6be081a845ee72790f1b63c53a8770f858ecc3c9cf2325b1a00fe145326a62

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
SignatureQEig9gvg8SP79qTkgblno0p4ppCU0Zes7kP369iQoxu4QGjZUrhQNgvKe+PoTnWS86+G0OnaQq4uF+91OntfCg==
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

2026-09-17T10:22:00.937451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073067
observed c28df58a0add8ceaa7a8a778c7cb71f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.917345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073067/manifest.json
observed dc6be081a845ee72790f1b63c53a8770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.898447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073067/publication.md
observed 25e55d47be9b061665646a3c9da05d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.881559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073067/publication.txt
observed 59461a56c7b89cfb4e23301e19abe4a4...
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.