OpenTechnical

OT-2026-000061580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061580) never changes.

Identity and time

Publication numberOT-2026-000061580 · never reused
Internal UUID01a0ae8b-7b45-73cd-8300-e3e6e43f086a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061580
StatusPUBLIC

Content hashes

Canonical text2794da4fe0da4c93f5b62127b973186364022bbefe79364c0df05a83b84dc7b9
Markdownd82d31ac064a087f3cd900dd9dd581641cc57640a5072c1852f2d1768e91159d
PDF
Publication pagec9d4532b3dc645ca4d7f1a7f620a31f80793feb7e97d3fa2ed4f193c9a0f9247
Manifest2a32efc641aaa41d437039db2007ff3d28176826bf6197789993f1d98d43543d

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
SignatureKMOYF9wz6F03+gr/vwOy/HkAdzU4GuA4S4rxpL1ir8FKzy3ZPrz783QOikf5f7fGLzRgv8JqzHwnDHtxxjxGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:30.034449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061580
observed c9d4532b3dc645ca4d7f1a7f620a31f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.017118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061580/manifest.json
observed 2a32efc641aaa41d437039db2007ff3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.998387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061580/publication.md
observed d82d31ac064a087f3cd900dd9dd58164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.972631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061580/publication.txt
observed 2794da4fe0da4c93f5b62127b9731863...
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.