OpenTechnical

OT-2026-000056151

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000056151) never changes.

Identity and time

Publication numberOT-2026-000056151 · never reused
Internal UUID01a0ae87-0a4c-772b-a4f6-4929521306c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056151
StatusPUBLIC

Content hashes

Canonical text11375ebf109ac033723d868e7d9e2a9aa6b33ff2109a883a338c6b8c2e8b2439
Markdown95d1e22dd7f57e2c93475bec1b39f3e7a8e8d9006a240bcd28480fbc18bd731a
PDF
Publication paged10359b10d136348720da6c6255147d143ef25a42b93379d37602e973a413e60
Manifestb4a783dad4505ef28545f6832385a484f46e361d498b6feb8977d5332f250287

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
Signaturep+i2Hx7alLGCyZomaACYDatniEOLyFfaLInbwCyC22RXBbTSToIc05Vdaf0BmePr2nysVK+xmJX2t5xDI97WCw==
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

2026-09-17T10:51:42.360141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056151
observed d10359b10d136348720da6c6255147d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.341760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056151/manifest.json
observed b4a783dad4505ef28545f6832385a484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.322606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056151/publication.md
observed 95d1e22dd7f57e2c93475bec1b39f3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.305522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056151/publication.txt
observed 11375ebf109ac033723d868e7d9e2a9a...
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.