OpenTechnical

OT-2026-000074637

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074637) never changes.

Identity and time

Publication numberOT-2026-000074637 · never reused
Internal UUID01a0ae93-ac2a-7194-844f-9c29871ecf52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074637
StatusPUBLIC

Content hashes

Canonical text363b11513217202c679fccb6154b2d6b9b6a5ffea1d5428ecde48d3e177e78d6
Markdown6f1164857616c0de968965cc2282a2beebdbac8f0fbf2effe00a86dcf6c6881b
PDF
Publication pagee0c19b5a4dddea72dca831f796cad5853ee77b4c43c6d3a7e7079429c6413039
Manifest6c07b802e136ee62e98d88376320a6477e6a1b29fa7e35bff403cdc8fb918a9e

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
SignatureqS7e5Xp21uBir9vHgGrITPkn7nhrqGNZm7ob77shGgpaVscsbAbzKuEoje3JNkd79UQJxscMYeJBxwtS8MybDQ==
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

2026-09-17T10:18:12.515484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074637
observed e0c19b5a4dddea72dca831f796cad585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.495041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074637/manifest.json
observed 6c07b802e136ee62e98d88376320a647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.471752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074637/publication.md
observed 6f1164857616c0de968965cc2282a2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.447603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074637/publication.txt
observed 363b11513217202c679fccb6154b2d6b...
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.