OpenTechnical

OT-2026-000020049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020049) never changes.

Identity and time

Publication numberOT-2026-000020049 · never reused
Internal UUID01a0ae6f-1fb8-7944-9322-2c510e87ef41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020049
StatusPUBLIC

Content hashes

Canonical text2da775f20385f06245d9043420d6a8fea04225a51da6e409112ee22745c5c4c5
Markdown3f7200e15f3127cd3440654a21bb79713ddcf71f6b06a7fb062722e87a9336cf
PDF
Publication pagecc0aab5d6cf10cbdd30f4f8b78737366d657397cd46cbe01e8cdccbdba25a129
Manifest2fa530e6307b6f2db884d05a7abd143d78eeb06c0b947d300e0e83091385b52d

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
SignaturejhphEy5p08oZsAGCWMCMOC+J5XosZrmIvgZRYX6YouhZQ3muZCsINCz2rG0/1/jmWJcLikP4tZjl35aoV9HlAg==
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

2026-09-17T11:58:18.755686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020049
observed cc0aab5d6cf10cbdd30f4f8b78737366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.737369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020049/manifest.json
observed 2fa530e6307b6f2db884d05a7abd143d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.719005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020049/publication.md
observed 3f7200e15f3127cd3440654a21bb7971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.700289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020049/publication.txt
observed 2da775f20385f06245d9043420d6a8fe...
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.