OpenTechnical

OT-2026-000011580

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented 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-2026-000011580) never changes.

Identity and time

Publication numberOT-2026-000011580 · never reused
Internal UUID01a0ae6c-8900-7e0f-b0f3-bc3ecd8b5ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011580
StatusPUBLIC

Content hashes

Canonical text3eea446e1ca311113b3c02ce8fd72f2ad10e0303fb2b788e591a38c8ee35e491
Markdownbeba2dc9ae95957c6d58cb58504f104aa3511ef8f965896cc4bc81dbb46fbac7
PDF
Publication page220c390b77c466effed43a38ffda736aa47d68bcfaa7bbd88dbef9516dd13cad
Manifest9956a2a01f9786594305f050a8c35b9acf9fcb494f764707cd165f617333f26a

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
SignaturediZaxazYwOPAlyT6MmdmxEFHmHvYKpoEOkvjD2LkW2sb/p4COlPtJSCGKprMyHANAUD8YtXac2pSI+NHUXa3BA==
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

2026-09-17T12:13:28.893467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011580
observed 220c390b77c466effed43a38ffda736a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.876673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011580/manifest.json
observed 9956a2a01f9786594305f050a8c35b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.858704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011580/publication.md
observed beba2dc9ae95957c6d58cb58504f104a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.840315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011580/publication.txt
observed 3eea446e1ca311113b3c02ce8fd72f2a...
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.