OpenTechnical

OT-2026-000018974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000018974) never changes.

Identity and time

Publication numberOT-2026-000018974 · never reused
Internal UUID01a0ae6e-d522-70cc-a624-9a88f544ec47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018974
StatusPUBLIC

Content hashes

Canonical text2ebc006f63de147c468c97f58def63935dda7c5db73050817e18a32e850ea045
Markdown9943a4571565d03c1af78678b3ce31e07311d57895f868ce23c7643fba23d63d
PDF
Publication page52146dc1186cb48b2a2da8a58d47e330819d6195a2422337fcbbd65212d1dc61
Manifestc39dbdb93b7a2acaba5a856850c23648a828edc868b9f52c1173e414990dd9c5

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
SignatureolG2iksw9bIgZ0JO1FK9vUJUr+/dc8nVNHm9iTmcc76Xp0fcV6nXRDVma+/JYEjR+UeaXf95h0SJYbGELc0lAA==
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

2026-09-17T11:59:39.089032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018974
observed 52146dc1186cb48b2a2da8a58d47e330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.071124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018974/manifest.json
observed c39dbdb93b7a2acaba5a856850c23648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.052620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018974/publication.md
observed 9943a4571565d03c1af78678b3ce31e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.033381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018974/publication.txt
observed 2ebc006f63de147c468c97f58def6393...
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.