OpenTechnical

OT-2026-000015561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000015561) never changes.

Identity and time

Publication numberOT-2026-000015561 · never reused
Internal UUID01a0ae6d-ef4b-7f9c-afe8-9aeba725637b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015561
StatusPUBLIC

Content hashes

Canonical text2d670c79e4058a473807c9f5c417f824a0f3b289ded2bd4f023141787ac63a89
Markdowncc60fed6290910e4ea7d7956b138208329b391b1579be4dce7a94cbbc5e5598d
PDF
Publication page501ee3f5dbe00a554a566d1fa813d140fd80a16456c4827dc1c3830a06c89f27
Manifestf4eed39b85ba4dbcf195dbfae7a94fcdd8479022f5fa0b4f7ab57aa2a9fdcacb

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
Signature5Bd6zpjE3Y/FuSSORdJ/kW84EaAmDfAnBzeGT2GGsTck6/TF7AAks7CMFQfhkaBTwzkb70ygij9WOkUCQvzHDw==
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

2026-09-17T12:06:20.999915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015561
observed 501ee3f5dbe00a554a566d1fa813d140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.980815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015561/manifest.json
observed f4eed39b85ba4dbcf195dbfae7a94fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.959182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015561/publication.md
observed cc60fed6290910e4ea7d7956b1382083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.940471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015561/publication.txt
observed 2d670c79e4058a473807c9f5c417f824...
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.