OpenTechnical

OT-2026-000018396

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018396) never changes.

Identity and time

Publication numberOT-2026-000018396 · never reused
Internal UUID01a0ae6e-b489-77cb-a5b3-06aca97a310b · 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-2026-000018396
StatusPUBLIC

Content hashes

Canonical text9c0dab35426cf3a66d04aace0d1b841119a46b1cc198d5ae333f0dc4259befcd
Markdowne57f9bba3987abcf80b949283f0dead6b285e073a8ceda3218df34a3eaa659f6
PDF
Publication pagedb5ea1e64da9c6ee2d618b065a4188462b0c776a537bbd211da645faeabc3151
Manifest93e734301b83f1679f478e1b00382bacb8c3453cda1fe64344f414b80ed30337

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
SignatureoPQ3LAiRVXrLBRHpLPY707zeFDNaU9vy56JOtj1bxHcEBiqSdGcUZMaURN53sMfLkjo/MF+PYQXXWdEtWtgYDA==
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

2026-09-17T12:01:08.265644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018396
observed db5ea1e64da9c6ee2d618b065a418846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.246965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018396/manifest.json
observed 93e734301b83f1679f478e1b00382bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.227731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018396/publication.md
observed e57f9bba3987abcf80b949283f0dead6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.210498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018396/publication.txt
observed 9c0dab35426cf3a66d04aace0d1b8411...
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.