OpenTechnical

OT-2026-000009002

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000009002) never changes.

Identity and time

Publication numberOT-2026-000009002 · never reused
Internal UUID01a0ae6b-31b8-70f0-8aa6-447951cf9e72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009002
StatusPUBLIC

Content hashes

Canonical textab80a5ac7cbd09ff2aba700db9ee6a2cd60fbc85e42a5a501e7bc62d606ffbcc
Markdown2c73bf5b335128aede9ef4f00ec71439c453afd46bcd3583604d1e8cd7e820c1
PDF
Publication page4a2c7c8edb3866416adb31a35138677eadbd4c4214bb5fdac9010ffb93a5a3e3
Manifest2ff1b96f4cfa6cc56f3ac48cad1d292a5739c88a8465401c5d8918383d4d70ad

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
Signature8osQUItCht0R/pGDOc1XxW3vp5/JkxlDi88dd7CSNOdN1uGtKgoTZojvaUa2cs6B5JDweBEUP1yub4WhzH+RDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:38.144778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009002
observed 4a2c7c8edb3866416adb31a35138677e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.121890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009002/manifest.json
observed 2ff1b96f4cfa6cc56f3ac48cad1d292a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.100829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009002/publication.md
observed 2c73bf5b335128aede9ef4f00ec71439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.081050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009002/publication.txt
observed ab80a5ac7cbd09ff2aba700db9ee6a2c...
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.