OpenTechnical

OT-2026-000014992

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000014992) never changes.

Identity and time

Publication numberOT-2026-000014992 · never reused
Internal UUID01a0ae6d-d096-7aaa-998a-930f72410e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014992
StatusPUBLIC

Content hashes

Canonical text9596571bea4ebbe61143612aeae86902c900d2f504bb977d6cdc925e5aec3556
Markdown52adcc2b255cff1bb09ae8fe9cee8eee070866940870b308e8ab5641b90e898b
PDF
Publication page4538125e9d99170cc6197735eeca1d0548d37f478e6fe6bbf59d611b9cf25e87
Manifestfacb2ef72ba9d965127e9a3699bfa59af0e383b960e628e96318b2090d161254

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
Signature5HSuuMcbxb1C2oXbM/AFkqirAIpza/GpSAw1UKvLl1j+vmlCBtZABxmKpTmeqx9GslnoEfoddk5m7lS2TMyvBQ==
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

2026-09-17T12:06:57.330798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014992
observed 4538125e9d99170cc6197735eeca1d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.313362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014992/manifest.json
observed facb2ef72ba9d965127e9a3699bfa59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.294467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014992/publication.md
observed 52adcc2b255cff1bb09ae8fe9cee8eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.275507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014992/publication.txt
observed 9596571bea4ebbe61143612aeae86902...
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.