OpenTechnical

OT-2026-000044608

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000044608) never changes.

Identity and time

Publication numberOT-2026-000044608 · never reused
Internal UUID01a0ae7c-39d9-7722-ad58-cfa04bbca4bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044608
StatusPUBLIC

Content hashes

Canonical text7edb0e2c2dfabafe7498d586dd7434e1bd336f890eaf0cbf5698874cd8062e68
Markdown91bab09468d57e0df5b87eefaaf76d6584ef9067105b505884a8f1ec920fd68c
PDF
Publication page1e35777be4af77cfcf17377798babfbb1e1ed76b22d0084293ee2050dad28b3d
Manifest9e894be8296077ebb740bb0d626df1820df43858af73666940fd46ab5dfc8931

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
Signature1WhIYlls68Dee3sjY89lTagJmGEC8iTiCQoLArgjoWOLIhdZZMfSuHcvo5urkGLdJ+wfkOOsX3q1fUnPzcR3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:50.329667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044608
observed 1e35777be4af77cfcf17377798babfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.310955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044608/manifest.json
observed 9e894be8296077ebb740bb0d626df182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.294113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044608/publication.md
observed 91bab09468d57e0df5b87eefaaf76d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.275173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044608/publication.txt
observed 7edb0e2c2dfabafe7498d586dd7434e1...
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.