OpenTechnical

OT-2026-000020698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000020698) never changes.

Identity and time

Publication numberOT-2026-000020698 · never reused
Internal UUID01a0ae6f-65e2-74f0-a5e4-5d810d087d6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020698
StatusPUBLIC

Content hashes

Canonical textf4426cde65fc857d6f6f68131d00bd7cf53c39b09008f47c60401c6e61a389eb
Markdown9609d4461a9297ad7ca6c15d3186e545766ee5a717b77e53647792e02378db0e
PDF
Publication page0340a46270b6829a816661ea3e046e3d687c91a51accfb1af69588935323ff0f
Manifest1896989e10fa49bebc4416d4b8c80dea5fbb870f1365a55be56ee281f51f4cd2

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
Signature7a4XegpwCKiVfaJNkKepAm2o7SjGr0DOcgaDHqsz3wgSWu4z/OCqA19a3qFUH7pcENOczR2RgDxHOoLgC4yvAg==
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

2026-09-17T11:55:44.736856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020698
observed 0340a46270b6829a816661ea3e046e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.719524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020698/manifest.json
observed 1896989e10fa49bebc4416d4b8c80dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.701222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020698/publication.md
observed 9609d4461a9297ad7ca6c15d3186e545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.682618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020698/publication.txt
observed f4426cde65fc857d6f6f68131d00bd7c...
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.