OpenTechnical

OT-2026-000079456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079456) never changes.

Identity and time

Publication numberOT-2026-000079456 · never reused
Internal UUID01a0ae96-0b91-7b91-8235-1ae50eb3a603 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079456
StatusPUBLIC

Content hashes

Canonical textcf089c737ee92cad59cc7c1abc9b2aed053bbe6d0dce0330f7649eed5df192e3
Markdownc46daa78ae1d8d7033e831b5e5f09c13f220bd4b695701543eada7e6ba6a1afb
PDF
Publication page127c6b52620e7a732bd5b6c888cb9cc530194892e0c126e02d056bc3dc1d5798
Manifestb2a465cf5a403e815ba941c7e6a13719de5ff28f2f1b1d3270a206d32afbab6a

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
SignatureITmWZQ8LiQhTCN6zaWx/X/ZKObXvDCo7VMl8xd5aysiKcF7aEcQ5szHUYIPn57IRu7nxT3Wmf/fmv8DS/8V/AQ==
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

2026-09-17T10:05:04.919280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079456
observed 127c6b52620e7a732bd5b6c888cb9cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.902379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079456/manifest.json
observed b2a465cf5a403e815ba941c7e6a13719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.883629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079456/publication.md
observed c46daa78ae1d8d7033e831b5e5f09c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.865237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079456/publication.txt
observed cf089c737ee92cad59cc7c1abc9b2aed...
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.