OpenTechnical

OT-2026-000018804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018804) never changes.

Identity and time

Publication numberOT-2026-000018804 · never reused
Internal UUID01a0ae6e-d521-7960-89b9-ad934318317e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018804
StatusPUBLIC

Content hashes

Canonical text8179d2a7b7fd3ec5b4c363e1fd120619c6724cd801c32c530d3ed97b725c0b53
Markdowne74c8b55bae99ac4af40ebf0bfa1960bc18a07194d82b08bef0df08d8f407b82
PDF
Publication page4cfc905b2e226c0a112091df9765e560deda4e403f43502f228463abea59458f
Manifest6bfe1c3a2cd32128ca7a99492851b3cd615662d73cec8939c7c116d982a1ee6b

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
SignaturezoVdN58lgLvTu6FkTEzWcKAQGMkGG5pEi0+fUBdobSdm/wLICVO1K35D7seC0ldwEkqLRUBoVig7Wl4m24yOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:25.950420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018804
observed 4cfc905b2e226c0a112091df9765e560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.932907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018804/manifest.json
observed 6bfe1c3a2cd32128ca7a99492851b3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.913764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018804/publication.md
observed e74c8b55bae99ac4af40ebf0bfa1960b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.896013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018804/publication.txt
observed 8179d2a7b7fd3ec5b4c363e1fd120619...
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.