OpenTechnical

OT-2026-000030806

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030806) never changes.

Identity and time

Publication numberOT-2026-000030806 · never reused
Internal UUID01a0ae74-3fb5-7bab-a527-aa702c49cf4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030806
StatusPUBLIC

Content hashes

Canonical text69f37af11409300c310ddbfa6859bd89e44b09f60c02f211c4f820f8ad34435c
Markdown34ccd7ef48c28044a0eeb32d5355e48267f444b94e6ec9b40917c781b4d4c68a
PDF
Publication pagef41927016bd86e7dcabac50c5ad9c4f2e9095e6b03bd3ceae14d92b72ea98fb5
Manifest45ff7a6daf91b540c598cd02cceb96b1f1250f73611a8248b9bacc6d40d59abe

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
SignatureGftWKWfMSEIrB9OHPafXP6ywu1Vk1A6e2e+GT1LcZxHnTpLuHL4Ov67qf+cK6LQe/93zXDSbSnYpu7vKIX0NAg==
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

2026-09-17T11:36:46.882123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030806
observed f41927016bd86e7dcabac50c5ad9c4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.855313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030806/manifest.json
observed 45ff7a6daf91b540c598cd02cceb96b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.838522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030806/publication.md
observed 34ccd7ef48c28044a0eeb32d5355e482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.820397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030806/publication.txt
observed 69f37af11409300c310ddbfa6859bd89...
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.