OpenTechnical

OT-2026-000101730

Publication integrity record

Four bellows 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-2026-000101730) never changes.

Identity and time

Publication numberOT-2026-000101730 · never reused
Internal UUID01a0aea4-0e17-7642-aeea-5b7032bd5b6f · 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-2026-000101730
StatusPUBLIC

Content hashes

Canonical text31863980106491845816204020bc3552b27ca369eb4aa3d51186ffaa90e85cda
Markdown643770699415c8f6cf63ea8931f26996d77ad1e9e19163753d24b5d44d03ac63
PDF
Publication pageacba5d139dc7dd734c5d150bbd40e797528ea0f47f4caed0ccb0183073d2e52a
Manifest1cefa6d8082da471c265ed816195590979081624c5eca28ab505469b62ce73d0

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
SignatureR/I6n3QO60zj4FCJM2AXBuwJB/SzWEfy0tK5pi9Io+4QBxhkOXzdDJxw9jHBjKDxFFgyrkEGjtH1BRrnogjwDg==
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

2026-09-17T09:26:13.725193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101730
observed acba5d139dc7dd734c5d150bbd40e797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.523682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101730/manifest.json
observed 1cefa6d8082da471c265ed8161955909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.505904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101730/publication.md
observed 643770699415c8f6cf63ea8931f26996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.486682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101730/publication.txt
observed 31863980106491845816204020bc3552...
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.