OpenTechnical

OT-2026-000032301

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000032301) never changes.

Identity and time

Publication numberOT-2026-000032301 · never reused
Internal UUID01a0ae75-106d-7a04-996f-8a6b84b39e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032301
StatusPUBLIC

Content hashes

Canonical text148dbd777d717f85b46f9986d5ed1804cf0756dd2aafd30941cca7dd7e5293e4
Markdown4ee5235443b89f3e2ffa69bcbc1961fb5c11ae30d5f7c8a65aa3a5c86ae72118
PDF
Publication page2b6c52d10141454739bd6073b97ca13716b69f40ce7ab824c1016c23359380a3
Manifestf4835bead04c14cdb578cd11e3114a8ca91c857c5db5c5b1db9fb1d2d6967e0a

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
SignatureN2cO0tCZv6xVjLfb+T7/NEJxfPKGJrAcqO98am8SWnJfdnG7AuvbjSkCBo/swSCt/7Az6jPlWY6/9TpqcpP5BQ==
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

2026-09-17T11:33:07.859345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032301
observed 2b6c52d10141454739bd6073b97ca137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.842064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032301/manifest.json
observed f4835bead04c14cdb578cd11e3114a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.823795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032301/publication.md
observed 4ee5235443b89f3e2ffa69bcbc1961fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.807167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032301/publication.txt
observed 148dbd777d717f85b46f9986d5ed1804...
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.