OpenTechnical

OT-2026-000018451

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000018451) never changes.

Identity and time

Publication numberOT-2026-000018451 · never reused
Internal UUID01a0ae6e-b48a-742e-acd9-1c680ae3c05a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018451
StatusPUBLIC

Content hashes

Canonical texte056b73b46f398b0301ab73ead24b2cc189a92a1587b280b0b812d95a63879ce
Markdown263138e4eec8ad891b37eea60b5c866831f161ddd0510441207cf0fad7b4bdbe
PDF
Publication page9353f1b33840c2bce9068552ff3f0915ed459327392d71d86c3461f9bfa61f84
Manifestee4019beacf08d9daaa5e9467ce5c762757fcdf88af73f8427cd5fab91030225

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
Signaturev/OZITN9D0MkCXtCu2PGSotrVuKoz68MboT6dBeOjoQ3qJmUrmgUR8XofMDyI3SzGmRWmdRR1LEg21kS7T3TBA==
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

2026-09-17T12:00:05.561624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018451
observed 9353f1b33840c2bce9068552ff3f0915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.538112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018451/manifest.json
observed ee4019beacf08d9daaa5e9467ce5c762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.512835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018451/publication.md
observed 263138e4eec8ad891b37eea60b5c8668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.488947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018451/publication.txt
observed e056b73b46f398b0301ab73ead24b2cc...
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.