OpenTechnical

OT-2026-000039737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039737) never changes.

Identity and time

Publication numberOT-2026-000039737 · never reused
Internal UUID01a0ae78-d8d5-73fc-a1a2-bfb0cd9a74a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039737
StatusPUBLIC

Content hashes

Canonical text9435a3b3c3c691cc31e3355eb9afcc4212f5622763c2dff8524a33e6a61d86d0
Markdown24cfec3a51512c0352f4e5bd390cb64f122baf8bfd88b788a65e9cb451c0355e
PDF
Publication page9a9eaff20cd331da867f5596e3b995455c629ac30c0fc236a30263a6c6cfb209
Manifestb28acd28a6ee2e7fa2676b21aa9d338714b61f9e1c14231eb7798d263e33f9bb

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
SignatureZWcHXhZqOjCgsRKbyghRQHeoAw9kR+N8/nHXLcds84M1UtmYcngJhSHk2jw09jsPALMBV8MODx/jpoUvpAf1Aw==
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

2026-09-17T11:19:56.956610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039737
observed 9a9eaff20cd331da867f5596e3b99545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.936533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039737/manifest.json
observed b28acd28a6ee2e7fa2676b21aa9d3387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.916181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039737/publication.md
observed 24cfec3a51512c0352f4e5bd390cb64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.897712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039737/publication.txt
observed 9435a3b3c3c691cc31e3355eb9afcc42...
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.