OpenTechnical

OT-2026-000090008

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000090008) never changes.

Identity and time

Publication numberOT-2026-000090008 · never reused
Internal UUID01a0ae9c-428e-713f-8f01-931fca8aa265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090008
StatusPUBLIC

Content hashes

Canonical textc80338a75b3a0403760cd15e65c0fb76fa25e8e2c3cf887a1ba96d5391e9994b
Markdownc6aaedce30e70306f4fd1ee951857b592f4068d43556281b16fc05af2a85fe39
PDF
Publication page7d6088696deea7b93ecbb9db04e166987944efb155d742b2f736cd4330ebe245
Manifest6a38d812bca5c7c49089efead25953b26877cce5e024d777f3fe81d556333265

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
SignatureHwJ7wYuDDRPWTa7MLBCptt7ud1zc+YLyCy8/Vdq+F3DQ/qliGbvZ2RqwqliJZHdKD1G5igj5dIyUKi5l5GQEBQ==
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

2026-09-17T09:45:24.121963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090008
observed 7d6088696deea7b93ecbb9db04e16698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.103105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090008/manifest.json
observed 6a38d812bca5c7c49089efead25953b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.084323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090008/publication.md
observed c6aaedce30e70306f4fd1ee951857b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.066506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090008/publication.txt
observed c80338a75b3a0403760cd15e65c0fb76...
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.