OpenTechnical

OT-2026-000101739

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000101739) never changes.

Identity and time

Publication numberOT-2026-000101739 · never reused
Internal UUID01a0aea4-0e17-7d4d-9127-fc3a3350b16e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101739
StatusPUBLIC

Content hashes

Canonical text96f72d3e7603a86d59a352c34a032d2fe2eaf12961f96db078b0f14d094e01ca
Markdown024f0a9c7427538b14c4f9e1452113994dfbde4858c0e735ab98802c115d0611
PDF
Publication page5d2bf67cf0a959fad2bb3725ae6a33790ddde147535eb76660c42997dad6e8c7
Manifest57baff55675fcd1842426573cdd75eb846a529b36292a703d460cd3384218ba0

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
SignaturewcK9SjqRERljd0sfd2JpzLfWedvSuPyB3c7Lx6m/HUEIh6FQGQBrJGFL1BYg88ZWvB/VWeeVwnBVzuL+nF+bAA==
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

2026-09-17T09:25:37.042612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101739
observed 5d2bf67cf0a959fad2bb3725ae6a3379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.022638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101739/manifest.json
observed 57baff55675fcd1842426573cdd75eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.993434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101739/publication.md
observed 024f0a9c7427538b14c4f9e145211399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.963848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101739/publication.txt
observed 96f72d3e7603a86d59a352c34a032d2f...
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.