OpenTechnical

OT-2026-000097716

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000097716) never changes.

Identity and time

Publication numberOT-2026-000097716 · never reused
Internal UUID01a0aea1-92f5-71a4-a52c-79942390b777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097716
StatusPUBLIC

Content hashes

Canonical text0fc8af2b786d44823ad6f19a3a436b9bf8076e8a46d84a2cb9aa6c0b00db6e27
Markdown3741731614c7259229303638c48d2ddbd7d66a11ea1b66250e30357dd9f7475d
PDF
Publication page04eb4e3f31847f9ad72506070cb5a9067597a88d9dbfb2f15891a9dfc61f0cf8
Manifest0c523fbdc47633bfc9de87243dbaf856874c65e11a17e274d8875ad89b910119

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
SignatureCtMPWDIxtjsKWfQ2vnMBPY8kWAlg1xJht9dmkH94iRjTZW8Dg86owXfjidTXRXtt6jo+V+R69G0cpOZF1vW3BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:44.752932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097716
observed 04eb4e3f31847f9ad72506070cb5a906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.734493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097716/manifest.json
observed 0c523fbdc47633bfc9de87243dbaf856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.718218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097716/publication.md
observed 3741731614c7259229303638c48d2ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.700313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097716/publication.txt
observed 0fc8af2b786d44823ad6f19a3a436b9b...
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.