OpenTechnical

OT-2026-000045238

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045238) never changes.

Identity and time

Publication numberOT-2026-000045238 · never reused
Internal UUID01a0ae7c-f76a-735a-952d-49b4f92aed48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045238
StatusPUBLIC

Content hashes

Canonical textf8b45ed7febd56eeaf9ce416406f3a68e033b0bad5edfb58bf8b3b1dc29b59aa
Markdownff208bd289e31e36510d7a529082d47dd12791d83718c514177e8d46f78228e6
PDF
Publication page9068cd1a5f7ebcf8371b8895ddc2f8423af02fba867bdeadb42c40a0aed9ac93
Manifestbf853ce1c34ccbbc8bead51950694b48cb7bae29b02b5dbc1f9a941c3bd66e0d

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
Signatureygr8G6ubMYI9VM7+dEqxz0AKb6p+Yx0q++zgJ1GQqlV3EFNAqajtwI6Lh8OPIwfePxzJSPfVTqPHuIEaLPR0Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:26.179574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045238
observed 9068cd1a5f7ebcf8371b8895ddc2f842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.159646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045238/manifest.json
observed bf853ce1c34ccbbc8bead51950694b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.139772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045238/publication.md
observed ff208bd289e31e36510d7a529082d47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.120921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045238/publication.txt
observed f8b45ed7febd56eeaf9ce416406f3a68...
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.