OpenTechnical

OT-2026-000044592

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000044592) never changes.

Identity and time

Publication numberOT-2026-000044592 · never reused
Internal UUID01a0ae7c-39d9-7697-b5b0-860c038923d1 · 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-2026-000044592
StatusPUBLIC

Content hashes

Canonical textc43cd3da109eddd5006d5d76ff2f4b9f99bcbff5b487a796c3f23e03a9e4b1a4
Markdown32784d22a3db4a1c7594cd9f9e99f11186f972003b01aae39563a49e687fbfa8
PDF
Publication page3562f75ff434f586f5a34727c5d23f819f7f16f0c336614f5d3a08eac80d3cc8
Manifestdf63851be5a0a28ba03c57c059aab0175ff6afbd7bd234a13be6528685275dfa

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
SignatureBZ99g6PZ8vrlxzDwFd6a6uI2dAz5F0+gPjqZymebyYPI52QRTGflFaGZG8XtP5WJDFQLOPnchQr5fnbI+B7FBQ==
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

2026-09-17T11:11:49.034610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044592
observed 3562f75ff434f586f5a34727c5d23f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:49.014037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044592/manifest.json
observed df63851be5a0a28ba03c57c059aab017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.993150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044592/publication.md
observed 32784d22a3db4a1c7594cd9f9e99f111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.974072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044592/publication.txt
observed c43cd3da109eddd5006d5d76ff2f4b9f...
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.