OpenTechnical

OT-2026-000099098

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099098) never changes.

Identity and time

Publication numberOT-2026-000099098 · never reused
Internal UUID01a0aea2-8287-7fdd-b1c4-6eea3e3d9822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099098
StatusPUBLIC

Content hashes

Canonical textcbda3ce4959fa807e537cdf2268b8252cc0dfc28b01e1bde7594a78aa2be90df
Markdownbc6b69cd505292dd755ba5019db72425a5112c4e23285317f528e847b88030d0
PDF
Publication pageb2f5aead8af43d49ce80594ecd8253b646fd078c5e868b9e77b07fba60a39dea
Manifestb29cda356adc4e6f00f2113b68d49d50982f156a21ca380df7d56f04c2f36477

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
SignatureWGzVfQxODmPK+ade1az/2G5qX7mb31TobTzJG2jwR3YKD0RISUcVcJwEvx4XWi/H+l0aPEND4nJ0PZMosd6zBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:20.347307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099098
observed b2f5aead8af43d49ce80594ecd8253b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.326285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099098/manifest.json
observed b29cda356adc4e6f00f2113b68d49d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.306601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099098/publication.md
observed bc6b69cd505292dd755ba5019db72425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.287833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099098/publication.txt
observed cbda3ce4959fa807e537cdf2268b8252...
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.