OpenTechnical

OT-2026-000025020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000025020) never changes.

Identity and time

Publication numberOT-2026-000025020 · never reused
Internal UUID01a0ae71-2728-72ba-8ff9-1f534bf91cdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025020
StatusPUBLIC

Content hashes

Canonical text96d0822f5984570f9313a3642169a5d6fb98c52f99bbb0355f0f83017497dc6e
Markdown13674433eb15b19b6ad6be74c6ca3123c91d7755869e0e14188c51237b6d75a9
PDF
Publication pagebc344af6b779c365152a81a88a12312f2e0fc23e1f7813dee98c3ec535b10ec6
Manifestac6b9a645fe32d6369e6f6c162a4d6646f017c53db671e65704b9f6df0ac6227

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
SignatureBvsqu9OlirSY60g/NMcGjzhApFe5kBJrdG7K5KM0CSbwRmIKSIMNh3wFYtqohZ8pkD8qd6evQJBgJRFmv8cQBQ==
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

2026-09-17T11:48:25.361859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025020
observed bc344af6b779c365152a81a88a12312f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.343377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025020/manifest.json
observed ac6b9a645fe32d6369e6f6c162a4d664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.323084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025020/publication.md
observed 13674433eb15b19b6ad6be74c6ca3123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.303145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025020/publication.txt
observed 96d0822f5984570f9313a3642169a5d6...
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.