OpenTechnical

OT-2026-000080130

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000080130) never changes.

Identity and time

Publication numberOT-2026-000080130 · never reused
Internal UUID01a0ae96-4378-7a9f-9701-77f4fadbf16f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080130
StatusPUBLIC

Content hashes

Canonical text5762c2fc009241ee2dc5c86d44e746cde5dac3eae00c828bf68d3cf92fe96ff1
Markdownce657da046ae08b6dc1cfb2f4482b7dd2b3c0d972c05510a3a597c34e27dcc2b
PDF
Publication page9b31683080751b34b1d499cd98a4aa491a26c3d1b6b542713d9f58a4453ef827
Manifesta93fb7f961957719d7cbb08013877f825a32eef2d550ded2ff4d713fd1c04d81

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
Signature4BHEQTuORa8/PFHvjYA5XjgY3RmtG0504Rbq88YgSCHYr3hcl4TcSUq3rZ058LHxbNxEvVbgU1dhnxvLKZv5Dw==
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

2026-09-17T10:04:04.624250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080130
observed 9b31683080751b34b1d499cd98a4aa49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.604520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080130/manifest.json
observed a93fb7f961957719d7cbb08013877f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.586689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080130/publication.md
observed ce657da046ae08b6dc1cfb2f4482b7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.568374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080130/publication.txt
observed 5762c2fc009241ee2dc5c86d44e746cd...
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.