OpenTechnical

OT-2026-000068814

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068814) never changes.

Identity and time

Publication numberOT-2026-000068814 · never reused
Internal UUID01a0ae90-6dcb-78e8-a27f-f12cc116084b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068814
StatusPUBLIC

Content hashes

Canonical textdb942f3889b840c4dbac5a720948d972d063b1ca92f34aaf8729b7dad794e751
Markdown7bf2c08300fc347c7dcf79b3cbdb20d4b74a72020c3dada612317912c65d4697
PDF
Publication page2c8d59858175242688b19c468c1847983d952e4f5f4fb54814eb65df38abc8dc
Manifestf5fe9ed5463ad284231c2629dddc31279edb8800bceab9dd5983edb0116f1e8e

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
Signature4gFBBejzay53FlbolNh7ieaIsaHT30SJSGcEVUV0svdZ/4UmeOPckto7fS9aozR6F5tDMrm5uyplamt+WYzWAw==
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

2026-09-17T10:28:36.979024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068814
observed 2c8d59858175242688b19c468c184798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.961162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068814/manifest.json
observed f5fe9ed5463ad284231c2629dddc3127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.944336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068814/publication.md
observed 7bf2c08300fc347c7dcf79b3cbdb20d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.926575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068814/publication.txt
observed db942f3889b840c4dbac5a720948d972...
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.