OpenTechnical

OT-2026-000034463

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000034463) never changes.

Identity and time

Publication numberOT-2026-000034463 · never reused
Internal UUID01a0ae76-1ed0-7807-9a92-f40d71f8853f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034463
StatusPUBLIC

Content hashes

Canonical text4ac687bb6f71e86d0d4d1cddc17690b21e4d878a576110c05de88f6a2e3c9492
Markdown4cfe1fa4bdea118e9b8d0138b823b2418103a0aa08073e6f27380de4cf234e30
PDF
Publication page0497ed9077a2da2e6939046b16ad2155342bf8dc7423ab2185e8c507d2b4cc4d
Manifestace43dc8f1782218764178ca072c902617dac195a45f54653a9f9babce53e34f

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
Signature+WpL7UFttAyK8UZgtV13rC/q7Yuc0LOoEn9Gdzeeg/aNvl4PjLJMM4rhNkjc39rhsjMVekP0q481o6v4ZUSYAQ==
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

2026-09-17T11:28:47.289765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034463
observed 0497ed9077a2da2e6939046b16ad2155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.273974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034463/manifest.json
observed ace43dc8f1782218764178ca072c9026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.257148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034463/publication.md
observed 4cfe1fa4bdea118e9b8d0138b823b241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.241126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034463/publication.txt
observed 4ac687bb6f71e86d0d4d1cddc17690b2...
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.