OpenTechnical

OT-2026-000009003

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000009003) never changes.

Identity and time

Publication numberOT-2026-000009003 · never reused
Internal UUID01a0ae6b-31b8-73ef-b3ac-1637cfb8a19e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009003
StatusPUBLIC

Content hashes

Canonical text726a429280bc0867e7706dd442b6c0127e203eb591e53bdaf017b447c45122d7
Markdownc109bedb8e362ce820de428746ee530bc107cf04b7ab4cb7a8332833b526e742
PDF
Publication page93a641c3c223a59583130f1b83d47ea8ef7f9849f0fd845a6bebf44b6b63c3cb
Manifestc231997deca11801afba24d769839d1e16bab4f4376df198d015bf5418991238

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
SignatureOoCaxnazy1BKpH+jPY7p0wM6mxCPBI5fZDxjgX/ijJe81aX7F85uMubyns4x0wQTNGr530A3bdHcpt9VOP/6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:38.229617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009003
observed 93a641c3c223a59583130f1b83d47ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.207753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009003/manifest.json
observed c231997deca11801afba24d769839d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.186456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009003/publication.md
observed c109bedb8e362ce820de428746ee530b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.166244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009003/publication.txt
observed 726a429280bc0867e7706dd442b6c012...
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.