OpenTechnical

OT-2026-000083801

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083801) never changes.

Identity and time

Publication numberOT-2026-000083801 · never reused
Internal UUID01a0ae98-0417-771f-8961-c5160155ef25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083801
StatusPUBLIC

Content hashes

Canonical text436d57a027d8d039781902dd63f5f31532faa3c169b690ddb5bacde2311a365a
Markdown3375125077046c4788f99ec62234348f1b6d948e76bc1dfc4294745a8ffc6f05
PDF
Publication page9b5430d73b2990c77f279e6a866f12822eb6d9b7d6391b04a772aeafbcf2a48c
Manifestbc0dd4b67c10b39ed66140d65168aa456aa14667d5a6b395ee49e77d93abcfd2

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
SignatureqwJWQqXy2O4PtA7rxPSpaTBWoqZG3aaCmfxyDIZHRias1vlJ0X//MLcMOkMH9lU4x4x1UAcD2a22A1spAM1bBA==
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

2026-09-17T09:57:26.909304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083801
observed 9b5430d73b2990c77f279e6a866f1282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.890305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083801/manifest.json
observed bc0dd4b67c10b39ed66140d65168aa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.871296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083801/publication.md
observed 3375125077046c4788f99ec62234348f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.852756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083801/publication.txt
observed 436d57a027d8d039781902dd63f5f315...
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.