OpenTechnical

OT-2026-000078606

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000078606) never changes.

Identity and time

Publication numberOT-2026-000078606 · never reused
Internal UUID01a0ae95-7c2a-75f8-a6df-773930ba46b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078606
StatusPUBLIC

Content hashes

Canonical textf6419c2e301a61879e8f8dc9dbe25ee844227f73c815baa487691e719d9bcf48
Markdown3277a634dd8c85d333abde2ea95defc26af49262fa95ff961722e13663d29552
PDF
Publication pagec826f5107b66df3b64cdb21308e5f047d64cc67be1a3f0211cfb24cded46913e
Manifestea24232a56ad11626757a7a09a6be756a935f00fce17ed362ffe1f14341611f9

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
SignatureIlUybQxCpn8g3Kdy5MgXO9HBmaSxDyR44TtzBszkXI8D5wKtUmYQN8p/tptBb2F8q8GLzTloNZDiaVOF6YUsBg==
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

2026-09-17T10:06:38.396549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078606
observed c826f5107b66df3b64cdb21308e5f047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.379838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078606/manifest.json
observed ea24232a56ad11626757a7a09a6be756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.361847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078606/publication.md
observed 3277a634dd8c85d333abde2ea95defc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.342927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078606/publication.txt
observed f6419c2e301a61879e8f8dc9dbe25ee8...
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.