OpenTechnical

OT-2026-000078631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000078631) never changes.

Identity and time

Publication numberOT-2026-000078631 · never reused
Internal UUID01a0ae95-7c2a-746d-911c-ba6ff43c8fc7 · 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-2026-000078631
StatusPUBLIC

Content hashes

Canonical texteec3ff592973e8143d02da44133d61805df9604f5a554b4ed57ece8417e3e818
Markdown71ef92e4362bb5ccfd3c24e198c7045efbc81b28f717fbc10d698bfdc5a460de
PDF
Publication pagedcd3711a96cecf3664ff9cc2483451483abd2c7d98a9e728d463bb33f151e88d
Manifest4f73e9cf1546293d80f73cfe691589c858e7f6588a60f95ddcdb4d8685435bd8

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
SignatureGQrIA3Y3bJ1K7mgmXEhHyj1cuRX6BD3Frp0a1rVrFILnNWsDklxeUisIFsIc5bgxwlWzGkk2vwsq3aGxbpllCQ==
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

2026-09-17T10:06:40.121225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078631
observed dcd3711a96cecf3664ff9cc248345148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.103028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078631/manifest.json
observed 4f73e9cf1546293d80f73cfe691589c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.085506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078631/publication.md
observed 71ef92e4362bb5ccfd3c24e198c7045e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.068106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078631/publication.txt
observed eec3ff592973e8143d02da44133d6180...
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.