OpenTechnical

OT-2026-000100492

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000100492) never changes.

Identity and time

Publication numberOT-2026-000100492 · never reused
Internal UUID01a0aea3-66f0-73a4-a904-ef7bf91ff67e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100492
StatusPUBLIC

Content hashes

Canonical textb144a624e475811ee3053b4f6e058ac9d0eb347afbc1e768eb317a2a97d4f947
Markdown05803d879dc7b994245d07ab3f507ff78ba6062b68252ca1bdde7da41f1eee25
PDF
Publication page69c87ebf33e7e81f15a2ce593d9d38fd0f38d7639acaf2d278144ce016e2d1ae
Manifest888aefe31db78d114fa8c47aa9176bc68ee7baa77f4628892cd878eda0e00d41

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
SignaturetMMo3Oo6ZYlaFVkdS8scX6XwxbKamGaaDEfBM5LgHsXULGy72Pl0ZVavPMz09lgdd/PgTwdZTjkmeVtUEuH8Dg==
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

2026-09-17T09:27:15.130999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100492
observed 69c87ebf33e7e81f15a2ce593d9d38fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.111405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100492/manifest.json
observed 888aefe31db78d114fa8c47aa9176bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.094261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100492/publication.md
observed 05803d879dc7b994245d07ab3f507ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.075520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100492/publication.txt
observed b144a624e475811ee3053b4f6e058ac9...
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.