OpenTechnical

OT-2026-000043919

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000043919) never changes.

Identity and time

Publication numberOT-2026-000043919 · never reused
Internal UUID01a0ae7b-d678-7053-9220-fbde7ff4ca31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043919
StatusPUBLIC

Content hashes

Canonical text956f83c87375a894638049f345a6f3f9672be19e2cb94bf1f4108a3cb6a538df
Markdown96d299620b31d4ba62e5e0c6c92542e5da6eaea62f31ff9384e6d0a02edf3be2
PDF
Publication pagef68cd78f500159d1f98400bf5b28bb2c74529f4bf6a2cfbd7e5b8a38058475ad
Manifest307faadf135a6768741a2b035ba24a2f164c19eb123d0b16b26f5ca2a8b45221

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
SignaturetSkw0HlukrJSUJ3bUFOC3PR+yzrHJcYZMUObXcteg4Ygeq1NLO6fbqRZJYvCywYkPARNosKnMmGQRhkNZCPFDw==
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

2026-09-17T11:12:15.816852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043919
observed f68cd78f500159d1f98400bf5b28bb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.796655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043919/manifest.json
observed 307faadf135a6768741a2b035ba24a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.777899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043919/publication.md
observed 96d299620b31d4ba62e5e0c6c92542e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.758712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043919/publication.txt
observed 956f83c87375a894638049f345a6f3f9...
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.