OpenTechnical

OT-2026-000066825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000066825) never changes.

Identity and time

Publication numberOT-2026-000066825 · never reused
Internal UUID01a0ae8e-ce43-7863-9828-6bb50f368050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066825
StatusPUBLIC

Content hashes

Canonical text613029c66c4f65078617705f42bca4deee631b5bdeb0060af83291bc0f9e9ced
Markdowned6399ebf272159c06340ea623c179dbcd273adf9ef4c8ab35f9de2a58297d0f
PDF
Publication page9612630bcb4a5c9f949f74871f44101acc605c148e3b786ba393395c0b42abd3
Manifest57cb5ca036e51ed85798b96121bdd55667208658c580012ec6adfe0e91c3dee5

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
SignatureDVoPZccfQedOXsx/ev3AhWgRWyPtx+NzJ6rP8S7Y/UzpsPXkWP+8BEdDSsbdFppDnePcljosSWh3FodK+p5dAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:15.461875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066825
observed 9612630bcb4a5c9f949f74871f44101a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.443441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066825/manifest.json
observed 57cb5ca036e51ed85798b96121bdd556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.424193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066825/publication.md
observed ed6399ebf272159c06340ea623c179db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.406636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066825/publication.txt
observed 613029c66c4f65078617705f42bca4de...
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.