OpenTechnical

OT-2026-000069093

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069093) never changes.

Identity and time

Publication numberOT-2026-000069093 · never reused
Internal UUID01a0ae90-6dce-7a15-8300-549e64ece83d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069093
StatusPUBLIC

Content hashes

Canonical text9ec795c35dc6c06f18b9ab0c128eac1d185df8d86db3c2ac7e0cd576d40fac23
Markdown827e308671186f9adf5fc29b817a1afa5d90059e026e0adcd3752088f49ed475
PDF
Publication page9685ac6278b61c5b44c31540dd7fed46116ff41a4e1c43ccb48a95455e4129e2
Manifest27393982ce5847eb970df987cff396e7c85502e3cc3936d50c1ba31d8557a2aa

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
Signatureux7292bCo0wT/vcHvHcIb5KK7jt0aLEHzNu4/MF9aNAsGKTMET6tvL3Uzzdo9jnYkmHo+HIupIPKQA1ph8Q7Bg==
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

2026-09-17T10:28:57.854945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069093
observed 9685ac6278b61c5b44c31540dd7fed46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.835942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069093/manifest.json
observed 27393982ce5847eb970df987cff396e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.818697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069093/publication.md
observed 827e308671186f9adf5fc29b817a1afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.800439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069093/publication.txt
observed 9ec795c35dc6c06f18b9ab0c128eac1d...
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.