OpenTechnical

OT-2026-000091263

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091263) never changes.

Identity and time

Publication numberOT-2026-000091263 · never reused
Internal UUID01a0ae9c-f16c-7c57-a37d-a4e882893000 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091263
StatusPUBLIC

Content hashes

Canonical text2189e01d65d040f687505be59fe3f60f3b9b4b3dd4008212e4422530cbb4521a
Markdown52778cd1678083e1baa4a4a0a7e75236ace14f6f4a933fc9da4e8a3a5085e5fa
PDF
Publication page24ef1fbd25c35f85b61e391b33b246ae58f189453662d3f6be632f3a4788bf5d
Manifest34c1c57aaee771c8f419b01b1b656d10ebafe93d93dddb6ee806636b9ae31e48

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
Signatureb95D8X1wKtcGB/7qFmDrOwPDOiP/3fulfsiEujJ5f7OuBz4s46xwdHs6AQeh7f03PusX5aYRXputM/JISg0EAA==
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

2026-09-17T09:43:26.527707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091263
observed 24ef1fbd25c35f85b61e391b33b246ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.509251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091263/manifest.json
observed 34c1c57aaee771c8f419b01b1b656d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.488526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091263/publication.md
observed 52778cd1678083e1baa4a4a0a7e75236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.472350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091263/publication.txt
observed 2189e01d65d040f687505be59fe3f60f...
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.