OpenTechnical

OT-2026-000097781

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097781) never changes.

Identity and time

Publication numberOT-2026-000097781 · never reused
Internal UUID01a0aea1-92f5-717a-bdaa-b5f6213bd54b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097781
StatusPUBLIC

Content hashes

Canonical text66c28ec08aa9ce71ecaa1c76896b178cdd8fed72a9bdc620442dfc5e6740a522
Markdown7827b22588135bf16cdd9f6fb446190ab7ec9445b45db3c635701f58a05d8c70
PDF
Publication page6919a60ff05df158a5d1894d6fc751c939c987985a349562bac6e47b1b7101c3
Manifest9c2a19ee0f4657b82355c9eea9fb7842bfcc03ac0d302583df557aba3c26d679

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
SignaturegAki3RDPVIuSOQYXk/A5k7AXdfsfqt9/AUR8HrPQB4WHK8yPoyRRuVIylNrLjgN4NUN4OPITvrPgggdsFIQZCA==
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

2026-09-17T09:32:51.575676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097781
observed 6919a60ff05df158a5d1894d6fc751c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.556355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097781/manifest.json
observed 9c2a19ee0f4657b82355c9eea9fb7842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.536632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097781/publication.md
observed 7827b22588135bf16cdd9f6fb446190a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.518731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097781/publication.txt
observed 66c28ec08aa9ce71ecaa1c76896b178c...
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.