OpenTechnical

OT-2026-000043023

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000043023) never changes.

Identity and time

Publication numberOT-2026-000043023 · never reused
Internal UUID01a0ae7b-3278-73b6-abf9-22673cc84fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043023
StatusPUBLIC

Content hashes

Canonical textcba73357a486d3f2793a98dec8a24c7a9d85c1ca505b127d9afb3f367be7114c
Markdown437e43cd1ac7d9c83b30574cbb114b333d09e725903456d4e3f32358e653d583
PDF
Publication page5ad27b370e27cf2bef4a610dbfc75793b05181c9ca85553e911b56f2b3611ea6
Manifest938ed561953394bf97abacbeff74f8ac838166c0291337bf2e257533a3a6e00e

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
SignatureOoE61ssymE1gE3ZuotvOxKLDE/WpaDsCmA4DENPh3B+bSaaE7t9YqfvSos+J9QqVYGVB8y5HG3iGL7qQmVd3Aw==
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

2026-09-17T11:13:20.331460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043023
observed 5ad27b370e27cf2bef4a610dbfc75793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.310963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043023/manifest.json
observed 938ed561953394bf97abacbeff74f8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.290552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043023/publication.md
observed 437e43cd1ac7d9c83b30574cbb114b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.269618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043023/publication.txt
observed cba73357a486d3f2793a98dec8a24c7a...
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.