OpenTechnical

OT-2026-000078627

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000078627) never changes.

Identity and time

Publication numberOT-2026-000078627 · never reused
Internal UUID01a0ae95-7c2a-73f9-ac73-6cecfe3206ad · 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-2026-000078627
StatusPUBLIC

Content hashes

Canonical texte748ec800ba40facfd01fd08c4b7e5dd0014e6613f05a4cd4502277ae543b8cd
Markdowna17ac53bf1bf1ab509c61e6c53d94cceb311fd49250bc9f8552e2dfc729a179d
PDF
Publication pagee60c1d80e22d50edb64a5fbf6bec5f7fe0c45b3cbd7e15109b84e21dc86c260b
Manifest97e9b4454a0aa9c82f8db396530141fca173158be0b230385cfa15e5c5c75235

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
SignatureCy7231k1CVtPdTyfkgrOpzqHdBVx1tu2xzaAILiROD1nx69ObuzGBf3GLkNgZlyRDbJyQj4/SPs8nifr8lBpAw==
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

2026-09-17T10:06:39.900420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078627
observed e60c1d80e22d50edb64a5fbf6bec5f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.882229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078627/manifest.json
observed 97e9b4454a0aa9c82f8db396530141fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.863251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078627/publication.md
observed a17ac53bf1bf1ab509c61e6c53d94cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.844715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078627/publication.txt
observed e748ec800ba40facfd01fd08c4b7e5dd...
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.