OpenTechnical

OT-2026-000026519

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026519) never changes.

Identity and time

Publication numberOT-2026-000026519 · never reused
Internal UUID01a0ae71-f4a8-7159-94bd-5f19061d5a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026519
StatusPUBLIC

Content hashes

Canonical text861869d7b10f0642110e3247daa5c1d12433849a8af1575f30b001c57bbddbe3
Markdown57239245c2ac1663975fddaa4a8d347243ef9db3e86523ccaecebf1104bf7eac
PDF
Publication page87cd08641ff615f4b25050480f37d32e61388c2efb42eea486a2534c78a32061
Manifestdfa8678018f8d0cb7c8b41ff263dadb4e643ed7a590f40b30373783281216d34

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
SignatureMQmTXSf+T/4rGPfm57s/+h2/cM0mjsdQA3Qu+3E0k9QsCbjB7QjFr7vx9hhNpn+pWOn5RcXvgadXoz0NH6SWDw==
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

2026-09-17T11:44:38.789915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026519
observed 87cd08641ff615f4b25050480f37d32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.774625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026519/manifest.json
observed dfa8678018f8d0cb7c8b41ff263dadb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.757874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026519/publication.md
observed 57239245c2ac1663975fddaa4a8d3472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.742325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026519/publication.txt
observed 861869d7b10f0642110e3247daa5c1d1...
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.