OpenTechnical

OT-2026-000008972

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000008972) never changes.

Identity and time

Publication numberOT-2026-000008972 · never reused
Internal UUID01a0ae6b-31b7-783c-bede-225202300d51 · 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-2026-000008972
StatusPUBLIC

Content hashes

Canonical text279dc342d93d4e81f790f14ffff64f354626163bfca5479a67e6485a512a5568
Markdown772d2b4201b3e6b0139e095ff53d26c306974bc21a54c83df99957f259610584
PDF
Publication page32dd74654f5a9a0762dac7606a1a7680072a4d274138a56a59499e9907e46396
Manifest751f8d8b3be2cf7b3ebe0803d6f719364d58588c6f854786be6b5efa702a31ac

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
SignatureTbMI83xsnwgVB56iHbZb3kikfacauPTKaGiRKH9EFSWW8dw18namd18d54No7xU08jtQmKLvgxyRawP9JGykAA==
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

2026-09-17T12:17:35.493996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008972
observed 32dd74654f5a9a0762dac7606a1a7680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.474328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008972/manifest.json
observed 751f8d8b3be2cf7b3ebe0803d6f71936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.455059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008972/publication.md
observed 772d2b4201b3e6b0139e095ff53d26c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.435433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008972/publication.txt
observed 279dc342d93d4e81f790f14ffff64f35...
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.