OpenTechnical

OT-2026-000102602

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102602) never changes.

Identity and time

Publication numberOT-2026-000102602 · never reused
Internal UUID01a0aea4-858b-7c78-9318-eb3f92ae0f9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102602
StatusPUBLIC

Content hashes

Canonical textcc878f3c4a73392c7fb1e591fe6f710b4ff00738684cab84302ae9a790d09526
Markdowne146d0b888397612515106d6023ca6b55f93dfacea42bd6e42c9122ea6a60bcc
PDF
Publication page99948746bcd9bc298ef17ccc4162cbad71c069289e9f203cdbff944e5f26c0e3
Manifestef85bee4f4dbc3290edc95d4059c8b7b42b1f061c4af118a98389048e9d54b1f

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
SignatureIZdU+1upczOdJ6uWhxZlkQiFgMU0+3/+cZ1YQUMHEFHoM8XYh1K+mxMUg/aiLOwgnfNHmyJ+dCWwR+RrhFYpCA==
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

2026-09-17T09:24:05.359504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102602
observed 99948746bcd9bc298ef17ccc4162cbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.341514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102602/manifest.json
observed ef85bee4f4dbc3290edc95d4059c8b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.323022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102602/publication.md
observed e146d0b888397612515106d6023ca6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.303939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102602/publication.txt
observed cc878f3c4a73392c7fb1e591fe6f710b...
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.