OpenTechnical

OT-2026-000080988

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000080988) never changes.

Identity and time

Publication numberOT-2026-000080988 · never reused
Internal UUID01a0ae96-b975-760a-8f72-240b8e8fd1ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080988
StatusPUBLIC

Content hashes

Canonical textb241370f636d6c9793e6505631fe24afd2ecb0842a5fdce2bda378a18c0b2176
Markdown2b9f4ad4241133dcd3b99e64f1b23a7b6df161e5ed37ab9e8d1a32be846cd17f
PDF
Publication page93826d5ce398e57fa7ebd92e21ffdca838c5c516e7b9ce41f10e8b884913f43d
Manifestee6392cd55cf43e4f8aba7c40c837fb91b222250ed7659c750a7480298bd103d

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
SignatureBWK1MeDcsnGxrhRavgZ7zNYG8E+dw/SSCJdhTKF7/6z8AiPwR/fpFY0gY6y8+t2I5eYVyTGxQrstNi23FPAOAw==
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

2026-09-17T10:02:16.332827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080988
observed 93826d5ce398e57fa7ebd92e21ffdca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.317135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080988/manifest.json
observed ee6392cd55cf43e4f8aba7c40c837fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.284436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080988/publication.md
observed 2b9f4ad4241133dcd3b99e64f1b23a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.252012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080988/publication.txt
observed b241370f636d6c9793e6505631fe24af...
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.