OpenTechnical

OT-2026-000069211

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069211) never changes.

Identity and time

Publication numberOT-2026-000069211 · never reused
Internal UUID01a0ae90-6dcf-79a3-b19d-d66fdae308fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069211
StatusPUBLIC

Content hashes

Canonical textc994b2e7fe23ffe4463fab5e5702affe4647843f880b64fdd3d45b337a2f0c46
Markdown3edf1748bb151448aa4cdd33fbe46acfc893f086157d4579643d5000c6e377e3
PDF
Publication pagef96a6a3bccf3b2fe0067d11f323475051280c1a69e97347f41841494e05e0e72
Manifest19251ae3465ffe6cc53e3329a5de31e8332e5eaacf00752e6a06af52e2ba3c28

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
SignatureDu5VXKr3CI+wVGE0bR6FCr3Mqjumufd768n7ZSxkniaF2pwaUR/rTF67tAFmiW53DugItSu71Iw0BbAdbCAGDg==
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

2026-09-17T10:29:13.246114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069211
observed f96a6a3bccf3b2fe0067d11f32347505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.229292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069211/manifest.json
observed 19251ae3465ffe6cc53e3329a5de31e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.211168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069211/publication.md
observed 3edf1748bb151448aa4cdd33fbe46acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.192858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069211/publication.txt
observed c994b2e7fe23ffe4463fab5e5702affe...
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.