OpenTechnical

OT-2026-000012440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000012440) never changes.

Identity and time

Publication numberOT-2026-000012440 · never reused
Internal UUID01a0ae6d-39f6-7ecf-b027-dee932e2c64f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012440
StatusPUBLIC

Content hashes

Canonical text01cbe0637f75bd290566cc680fe09e7293a20505bf67bcf3ff9baaa5254aba1b
Markdownff2a9f3dc6d4202dace01f0a40fdb262139cd72360378541553d4e81a6ded893
PDF
Publication page4f31bcade1865626a90759ebcad5de1f6515cd7cc57f9ffcf3464a74d8d03e98
Manifest1cfeba92fca8232a83872b0ca7f272ed697e37ce12a36f3f0dfdeb48f5551c50

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
SignatureiDNmpzevduBwIs2c5Ed1URNsJF47OcRFhBLtj3XKqtnifdfT2k5KVBVmU6UFaIzoYBH3SRjsgxMX2OWe7V0ODw==
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

2026-09-17T12:11:56.513584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012440
observed 4f31bcade1865626a90759ebcad5de1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.496266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012440/manifest.json
observed 1cfeba92fca8232a83872b0ca7f272ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.476876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012440/publication.md
observed ff2a9f3dc6d4202dace01f0a40fdb262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.456927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012440/publication.txt
observed 01cbe0637f75bd290566cc680fe09e72...
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.