OpenTechnical

OT-2026-000078120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000078120) never changes.

Identity and time

Publication numberOT-2026-000078120 · never reused
Internal UUID01a0ae95-6e8c-7a7b-9c51-c05d5075e45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078120
StatusPUBLIC

Content hashes

Canonical text581cd95e0e385dfe89ed93f4a2d14dad6be5d941e600d573da0decafad992326
Markdown7cb4b3731131e576b869df9f54bc78492968c6352dc5e598ede3f9548adf56f8
PDF
Publication pagec5413859a19cc42f6ff4b5152df32189f3148cbf3b91bf906c9b523804705280
Manifeste96c382df21b5ae91c4226ebc9ae41e04c997476b9911d4c4dd72875ab6a72b2

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
SignaturehZLq2btGlOrc2BXM9kRwBubOyX9o4nYMzFvzKbSIDxyXWJxh/ClP36CB7QIVD0/560NNZ7chJvEEFoHc7kxRBA==
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

2026-09-17T10:06:43.785993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078120
observed c5413859a19cc42f6ff4b5152df32189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.766869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078120/manifest.json
observed e96c382df21b5ae91c4226ebc9ae41e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.747731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078120/publication.md
observed 7cb4b3731131e576b869df9f54bc7849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.729507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078120/publication.txt
observed 581cd95e0e385dfe89ed93f4a2d14dad...
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.