OpenTechnical

OT-2026-000040715

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000040715) never changes.

Identity and time

Publication numberOT-2026-000040715 · never reused
Internal UUID01a0ae79-6d0f-72ee-b21a-dcd4c2f93ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040715
StatusPUBLIC

Content hashes

Canonical textaa62e9677387fa23046953fa940d58050928cab8edcf17384309d535b93534dc
Markdowna5a489baa0cf9f493117ddedce5c95deab0da2f590f1bffcfbacfd5c93d580cf
PDF
Publication page58aa1f452833fbcbd284a43bce0057c51052ec033a859b341094938a03f0b3a0
Manifest2c8401a83ce4446619543699ffffb24338b1fdef85287a1f5d5863dd18a364cb

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
SignatureQvize62WFe7bsMUATg0GhSATNeQ2+XfrpW3edRUMh8LKQvMeBn6pDJcQGjYZfRVbG/0w+odfMg8zHhdzPzQ1Dg==
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

2026-09-17T11:17:58.768852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040715
observed 58aa1f452833fbcbd284a43bce0057c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:55.060090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040715/manifest.json
observed 2c8401a83ce4446619543699ffffb243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:55.042447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040715/publication.md
observed a5a489baa0cf9f493117ddedce5c95de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:55.000558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040715/publication.txt
observed aa62e9677387fa23046953fa940d5805...
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.