OpenTechnical

OT-2026-000036419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000036419) never changes.

Identity and time

Publication numberOT-2026-000036419 · never reused
Internal UUID01a0ae77-01d1-7401-aefe-7fb889fef84c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036419
StatusPUBLIC

Content hashes

Canonical textec52b5eb7fd6a4880b6969e03654b3b4bfd079b7729d3006aee65837ec460c4b
Markdown31de42b7ae869059a263af945327f8b716fc194d4b8c021552af9e2b70dcb90e
PDF
Publication pagec950ce03294358a38f5dab04d50648736a1675c409a1dd41bf176b2c80242a09
Manifest74753603db3c255191cb7a12219039e4dc58beb3bdf079da841e6f2d60a01b08

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
SignaturetwfTdqId5nKZz5hvJ8m9TLTPVF5Spj+QOhh95uwcMrkSOrN1Mq47Igh0+e4GNkn8hinTuNL11ytDieFNaSd1BQ==
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

2026-09-17T11:26:48.581139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036419
observed c950ce03294358a38f5dab04d5064873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.563451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036419/manifest.json
observed 74753603db3c255191cb7a12219039e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.545296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036419/publication.md
observed 31de42b7ae869059a263af945327f8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.526534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036419/publication.txt
observed ec52b5eb7fd6a4880b6969e03654b3b4...
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.