OpenTechnical

OT-2026-000021769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000021769) never changes.

Identity and time

Publication numberOT-2026-000021769 · never reused
Internal UUID01a0ae6f-bb5a-7499-aa1f-de1971f28e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021769
StatusPUBLIC

Content hashes

Canonical text5c675a2b50a34484f8f25cb4f0fb15a4bd3fc9ea41a349837b3d1b0737135fcb
Markdown0a899ea054f9cf3b2471d0da51878ba5c9a364a3e09b06d2ee5e8cb92d29cc69
PDF
Publication page13325ac73ebd769a7da15162d3c13e505d7e1d3030c016b4fe421c79d9cf34b4
Manifest216bcd82a3b4846d14ff3aebd47389ce39cb61c6d06a0edf763156d7ad53efc7

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
SignaturenxPNn7/RckWLkkNhpM3nfitcPbRR1Rogfi2dflpCZBPdMnl43cl3p7wLMpneNcNia+8pwh3eyVfwbAYA/OTVAA==
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

2026-09-17T11:54:18.896537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021769
observed 13325ac73ebd769a7da15162d3c13e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.879603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021769/manifest.json
observed 216bcd82a3b4846d14ff3aebd47389ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.863047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021769/publication.md
observed 0a899ea054f9cf3b2471d0da51878ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.845527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021769/publication.txt
observed 5c675a2b50a34484f8f25cb4f0fb15a4...
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.