OpenTechnical

OT-2026-000019692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019692) never changes.

Identity and time

Publication numberOT-2026-000019692 · never reused
Internal UUID01a0ae6f-1fb3-7aaa-9756-3e94ea969b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019692
StatusPUBLIC

Content hashes

Canonical textea47fe076478c061a1389a5441a5942f9a15b635a863966979941e80fdf01e50
Markdown2e44f19d0242ab7b2e147de410231ed36c32f03878d73cfa982fae6b2c3a2dcd
PDF
Publication page4e1345833c0f7a906493ceb29d248637dce5281a9c0e264e378d0a8cc34d2caf
Manifestf518f477fb018e448e44849ca4ee457c7ead85c50745c9cdae22aa2edcec7f55

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
Signature0OnxWzDfFPXvg5eVLMIAmNyJ/i10uTG6IyCRu19ZKVSRbgauktrRL1fI6ejD2CeGHW8iZHNjCYtWhZ+GDEcsBw==
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

2026-09-17T11:57:46.310772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019692
observed 4e1345833c0f7a906493ceb29d248637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.290811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019692/manifest.json
observed f518f477fb018e448e44849ca4ee457c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.272616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019692/publication.md
observed 2e44f19d0242ab7b2e147de410231ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.253549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019692/publication.txt
observed ea47fe076478c061a1389a5441a5942f...
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.