OpenTechnical

OT-2026-000081344

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000081344) never changes.

Identity and time

Publication numberOT-2026-000081344 · never reused
Internal UUID01a0ae96-f374-7d73-8b19-9b5273d9ce0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081344
StatusPUBLIC

Content hashes

Canonical textc48c3c10eead7242202df5456f19711a35b165bff922b47be28a334101e3d807
Markdowncd0bbf77906d77cd06e2ea2ae4acb338d84930c4be506f054ea85124c13b231e
PDF
Publication page62ee64d201416d8bdc9a3806fce2350dce11148778234aeaec707e1ac593eb29
Manifest0d4d2a9948fde3d7122e87bab4ed2b778b59a2432100a4350c01782c16c33320

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
SignatureM+jeAfpVlVAqf798wGesL0i3yDVnDhGNo7p4PGC6B9YeUXgqJ2pcrxZ6O3RjdlcAWqVUP2nIq7sOnuyLs4wtCA==
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

2026-09-17T10:01:28.251990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081344
observed 62ee64d201416d8bdc9a3806fce2350d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.235144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081344/manifest.json
observed 0d4d2a9948fde3d7122e87bab4ed2b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.217029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081344/publication.md
observed cd0bbf77906d77cd06e2ea2ae4acb338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.198759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081344/publication.txt
observed c48c3c10eead7242202df5456f19711a...
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.