OpenTechnical

OT-2026-000071763

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000071763) never changes.

Identity and time

Publication numberOT-2026-000071763 · never reused
Internal UUID01a0ae92-1e91-7c09-91ff-aee110c3c0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071763
StatusPUBLIC

Content hashes

Canonical text368dc9e2da2a6ec2198e5b5653e68faa568e24aaaa8b902fa00d2ea980710904
Markdown8662611a3def58aa4f449a713efa9fb5dca7dd0fa233f67a5bf091ce6507bbff
PDF
Publication page82af811961550b593b6aae2e31c8a7368238e21d4e30f7d2c63328d214eb8667
Manifest2c0cf31db59da71b6abd265a7bc0d7719c1556a12fdf283a3feb44899acf4e01

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
SignaturepKenjwL/OUPtuSd7LxsrSr6ydmRAymkr0cOK3/1P/TLN1a4VWUu+PR+Vx2V9GQNjuVSPj/WO4fIvx8eDpOGTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:55.431965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071763
observed 82af811961550b593b6aae2e31c8a736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.415823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071763/manifest.json
observed 2c0cf31db59da71b6abd265a7bc0d771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.399657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071763/publication.md
observed 8662611a3def58aa4f449a713efa9fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.382220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071763/publication.txt
observed 368dc9e2da2a6ec2198e5b5653e68faa...
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.