OpenTechnical

OT-2026-000101195

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000101195) never changes.

Identity and time

Publication numberOT-2026-000101195 · never reused
Internal UUID01a0aea3-c378-7efc-a33a-95911364c204 · 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-2026-000101195
StatusPUBLIC

Content hashes

Canonical textbf4e5aaa7a9717f8cb61c583f35aec61b20dbe6e9224f4034d834dc81a2fc7bf
Markdown9172b1928cdcb4e06af6de8b15c345dec542208f88797be84e81241d92d7618e
PDF
Publication page82a74cab7b95c894050dfc3f115ee5229abd7ef811e745d3e04cfab733e68927
Manifest1ad7eb881fc0e9f1504f0a371f9216667131557aadb0a721c0b4466f97d1a00d

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
SignatureDE50imgSFBvS84ynRdRcdUXBp78JGCy3gnK40uE8btxddH4koveSPBDewf5ngckR/vkU8IXFU4vyj4XyhNk/Bw==
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

2026-09-17T09:26:50.637456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101195
observed 82a74cab7b95c894050dfc3f115ee522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.620606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101195/manifest.json
observed 1ad7eb881fc0e9f1504f0a371f921666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.603155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101195/publication.md
observed 9172b1928cdcb4e06af6de8b15c345de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.586995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101195/publication.txt
observed bf4e5aaa7a9717f8cb61c583f35aec61...
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.