OpenTechnical

OT-2026-000023093

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000023093) never changes.

Identity and time

Publication numberOT-2026-000023093 · never reused
Internal UUID01a0ae70-46ed-7ecd-84cb-8c71a74a3eaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023093
StatusPUBLIC

Content hashes

Canonical textdaadf4c49f0dbf40c75083e7feb0e24fe26b898fb67f90d9301144346259ca18
Markdown7c00db135f9b6d1cdac20e3772063fa72837af76cb97b5626c72d0bd16859a14
PDF
Publication page0eea87f4e808d302137df04b9b02cbc6f2095d1351b05e1acf041cbccd52f442
Manifest813d3b6d688a0ce1bd9ee4837d4618debc0a456a6b168c19671d13806089f044

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
SignatureAeDeMbBkNiRXZPPAlsYC6Hvv0MiSex20DnazWjvcfoSM+tSbUc0cho3dFUDzO6AwOD+anv4MIo3Z2uxBlHDWDA==
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

2026-09-17T11:52:43.628849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023093
observed 0eea87f4e808d302137df04b9b02cbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.610721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023093/manifest.json
observed 813d3b6d688a0ce1bd9ee4837d4618de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.591996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023093/publication.md
observed 7c00db135f9b6d1cdac20e3772063fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.575058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023093/publication.txt
observed daadf4c49f0dbf40c75083e7feb0e24f...
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.