OpenTechnical

OT-2026-000078194

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000078194) never changes.

Identity and time

Publication numberOT-2026-000078194 · never reused
Internal UUID01a0ae95-7c26-78c5-b9ba-bb9c4560f644 · 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-2026-000078194
StatusPUBLIC

Content hashes

Canonical text2810f3a0d2538f9fbc1eebbd74810ab63f0c4a4b08d8482b22ec7066ce135d82
Markdownfb127c3e7dcc6118d48de36a7ecd1170b91b1895df692a6b2ad37b6e60c4f9c9
PDF
Publication page8ee1f74aa787b4b6015c3b7ecac1bf99d5ee0857193f2b6cd9a6897fcbcbf48e
Manifest470989f0c9074a02026898713d69bedf6ca8b2da1e9a884b84754c7d5257ac82

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
SignaturevN1xTb9lyI99VApXWJjNvIMJw3bWlpBEhcEeg+2roq9UYbTZJif8ruZWMYGbmNrgQctCMndxk6KxQDHtB0kVDA==
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

2026-09-17T10:06:08.383464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078194
observed 8ee1f74aa787b4b6015c3b7ecac1bf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.365414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078194/manifest.json
observed 470989f0c9074a02026898713d69bedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.342687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078194/publication.md
observed fb127c3e7dcc6118d48de36a7ecd1170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.323878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078194/publication.txt
observed 2810f3a0d2538f9fbc1eebbd74810ab6...
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.