OpenTechnical

OT-2026-000015646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000015646) never changes.

Identity and time

Publication numberOT-2026-000015646 · never reused
Internal UUID01a0ae6e-0c4b-7fa1-8a16-1cc59ee8e85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015646
StatusPUBLIC

Content hashes

Canonical text4c6c0ed7a44d55b135dfc672a0855f1c23a869d1f7ac61280786f5b05f1c176f
Markdown7a455d10124d659be7a69b3ad399b2e31fb40c6353b2cc4479887f006027c776
PDF
Publication page96cccf2091eed8f069a63e2c51cd7436c486ef2c10d10e28f235bea0f1d431b9
Manifestf1fdad1d28de353c0e5aae12cdb6b747b3fdd54d516b12c69128c7389ca3279b

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
SignaturevUEiTYcWSrNs8o4VyJG/0Wo5HAh+ODzp+RCYz9V0bj1lEgwCWC0aiUmOtU+VyKoAJG1bXDRmnSDlF+Jiw2HGCQ==
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

2026-09-17T12:04:54.279063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015646
observed 96cccf2091eed8f069a63e2c51cd7436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.261847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015646/manifest.json
observed f1fdad1d28de353c0e5aae12cdb6b747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.243683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015646/publication.md
observed 7a455d10124d659be7a69b3ad399b2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.225301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015646/publication.txt
observed 4c6c0ed7a44d55b135dfc672a0855f1c...
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.