OpenTechnical

OT-2026-000049796

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000049796) never changes.

Identity and time

Publication numberOT-2026-000049796 · never reused
Internal UUID01a0ae81-8fef-7e3b-831e-068dae1e5940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049796
StatusPUBLIC

Content hashes

Canonical textf3968e2a0cc2d07fda913294176e31a643726bc7c59a0a1963de413c173715bd
Markdownf5576a55fec664493debf460d36d75ff170bea21debd9901d286cc85a28c7607
PDF
Publication pagebd824ee0ebce7aa1feb1b8d5184f394e208305fc4378fda092a696113f51ced5
Manifest696d7a9bb9bd622e0664b7b47f349fed1c9847a44c6c234c30a248e722387c78

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/VV75lmPi0f7PR/qDkeSGdRVS9GuXT/lXc+v5pWiDgugYhJexR+OsHpRqFb7Afgz0sr7yoNADzAWgxMeGNGBBg==
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

2026-09-17T11:02:55.137547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049796
observed bd824ee0ebce7aa1feb1b8d5184f394e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.115652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049796/manifest.json
observed 696d7a9bb9bd622e0664b7b47f349fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.094955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049796/publication.md
observed f5576a55fec664493debf460d36d75ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.075527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049796/publication.txt
observed f3968e2a0cc2d07fda913294176e31a6...
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.