OpenTechnical

OT-2026-000100975

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000100975) never changes.

Identity and time

Publication numberOT-2026-000100975 · never reused
Internal UUID01a0aea3-c377-79c4-aa5f-2f75d866a5b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100975
StatusPUBLIC

Content hashes

Canonical texteb5a6061e9896b9404e9216e3bfc59a3b207771d162b1d20675d302581845689
Markdownbf1ca7ca95c05944797e3772c6c8bd8240bc62e15b87c7c67cd68ea6c0ad8c39
PDF
Publication page780e1d1a5cf3512ba4ffaffb35468f391e80561b1ff2a98cdef65f0294aa0d22
Manifest6f84ef041699401c0b922583b9bba8efa2ff0c9bdbd398b1338a082b1ec958d9

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
Signature8e6AZTMYj/iEMpJLNmvQzOvkTBO5UpchGA7KCbER6xHWHwIrDr9UhySx+CEx2RJbRXNJzybfYNCvaKdEe7giBg==
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

2026-09-17T09:26:33.841544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100975
observed 780e1d1a5cf3512ba4ffaffb35468f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.279122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100975/manifest.json
observed 6f84ef041699401c0b922583b9bba8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.262311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100975/publication.md
observed bf1ca7ca95c05944797e3772c6c8bd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.246696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100975/publication.txt
observed eb5a6061e9896b9404e9216e3bfc59a3...
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.