OpenTechnical

OT-2026-000085830

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off 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-2026-000085830) never changes.

Identity and time

Publication numberOT-2026-000085830 · never reused
Internal UUID01a0ae99-e829-7488-be44-4fbd61744f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085830
StatusPUBLIC

Content hashes

Canonical textb9faa98db868597f0fc3d2934c7ab75bd7ba7bc819d2b2d5271abf554a1ada38
Markdown3fcdb2d66e210aa04a42c8ad00235523e1a553977a5d498eb9a30d8221e5769d
PDF
Publication page87644c5910d2650e9afdf4022684e1b6805e8bd29e9118b2b60efdb7f2932874
Manifestc064c08549b1719cfe43ff7f38c55cc182511eedd45d480aab0fc5678b4b1822

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
SignaturegNwoU018fJHC4gbCqM49rlyNrECGGsXrurXGog7HooV9JvI0e1/91sN++53jmLoJI03k1mEKi/DxYP87TBi4Bg==
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

2026-09-17T09:52:45.167105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085830
observed 87644c5910d2650e9afdf4022684e1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.149606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085830/manifest.json
observed c064c08549b1719cfe43ff7f38c55cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.131483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085830/publication.md
observed 3fcdb2d66e210aa04a42c8ad00235523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.112480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085830/publication.txt
observed b9faa98db868597f0fc3d2934c7ab75b...
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.