OpenTechnical

OT-2026-000054567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054567) never changes.

Identity and time

Publication numberOT-2026-000054567 · never reused
Internal UUID01a0ae86-1283-7d47-8b91-662f8c1258d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054567
StatusPUBLIC

Content hashes

Canonical text7775cf0aa0696eb42e28955c1954748266ebfc6e35f65aa55e0c2b3430fd3092
Markdown4ca37f91bfb10ba3cb9cd7938bbbbb01675fddb26ce40e7e60d09c940e8b40ba
PDF
Publication pagefadc6671cf7aab0fa0f523c21413a3f918d1b8ea4945de34e80548286665a04d
Manifest7c721a93f09f2461a159aad6ef1a332dde5d4fc9c09385a1a93d8318fb6ec278

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
Signaturey5JIDCNR7Q2JZxOG6RFf/oe3YhmZetZ8iJNUfmG9Ncw2AwXwjhLM/oWcFgH5/T5BSXa/OqGrK/ggWrCxOkWVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:36.758330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054567
observed fadc6671cf7aab0fa0f523c21413a3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.739045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054567/manifest.json
observed 7c721a93f09f2461a159aad6ef1a332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.719101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054567/publication.md
observed 4ca37f91bfb10ba3cb9cd7938bbbbb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.700403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054567/publication.txt
observed 7775cf0aa0696eb42e28955c19547482...
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.