OpenTechnical

OT-2026-000084228

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000084228) never changes.

Identity and time

Publication numberOT-2026-000084228 · never reused
Internal UUID01a0ae98-5b60-7175-81de-6e9b371c90bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084228
StatusPUBLIC

Content hashes

Canonical text9bff34e546bd317d8bbc5f336b10cffee1d07d00900a94e9cf286e724db22a17
Markdown1597991ff1c0475448a2cac7cbf947cbf2cde154f0279770244ac1ff69c0181d
PDF
Publication page2153b2f00509250875129323b12ba382f694bee32b4efadb18716e47ab6e90d2
Manifest1f9dea86b62dd1bfdc6054d8603175793efa6f24a3b851e006b1c36541c8608d

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
SignatureZMduzEh5yipD+9DPW1adhdrbzTSGiGoV415Gz5dHNN7Pd/dR1O7Ioh6xbgEHkC5BgipFpxqivlRWfHXzhs57Aw==
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

2026-09-17T09:56:01.272748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084228
observed 2153b2f00509250875129323b12ba382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.254368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084228/manifest.json
observed 1f9dea86b62dd1bfdc6054d860317579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.232433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084228/publication.md
observed 1597991ff1c0475448a2cac7cbf947cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.212783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084228/publication.txt
observed 9bff34e546bd317d8bbc5f336b10cffe...
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.