OpenTechnical

OT-2026-000074856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000074856) never changes.

Identity and time

Publication numberOT-2026-000074856 · never reused
Internal UUID01a0ae93-ac2c-7b05-ab09-bfba8dc27bd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074856
StatusPUBLIC

Content hashes

Canonical textaca51281470ecd7aee0a593a8305e9e994581e2c35f13d2f4982afc0c10b3ffc
Markdown3331c6f7d072a5bda3571393158ceab6495681f05daade42ec504dee64128ef9
PDF
Publication page1f5eefe71ad833093c648d9422efa3e2c3cdb57c51355a569b8f3fe2a1573385
Manifest85432c5981ee5cc81734521406db32d060d201763f34d4ff95df19236d30f403

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
SignatureY65CXo1IF33bve8OLDt4c8sW46Z/LyK6PwUkhvEQWFUtiBIXT27Z+kIXTxXLk0EHfB9bfptSi9Y9+wseOv/pAg==
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

2026-09-17T10:18:34.252492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074856
observed 1f5eefe71ad833093c648d9422efa3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.234250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074856/manifest.json
observed 85432c5981ee5cc81734521406db32d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.218076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074856/publication.md
observed 3331c6f7d072a5bda3571393158ceab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.201599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074856/publication.txt
observed aca51281470ecd7aee0a593a8305e9e9...
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.