OpenTechnical

OT-2026-000026133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000026133) never changes.

Identity and time

Publication numberOT-2026-000026133 · never reused
Internal UUID01a0ae71-a840-7604-be92-1c1e4fa46d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026133
StatusPUBLIC

Content hashes

Canonical texta75b864f04ca15f42752abfd7c8938bdddb57884c7d05c7bfb4f3ef65b5e8743
Markdown74c07f37d07b4954fa8feb861afd5719905d8fb69ab744898a575510d0646f46
PDF
Publication pageee32503118a7d48aa2952496cfe3fe4300ed979f3e76b2b33ad66d221eb52290
Manifest45143d70a031feb042930aa0385ff36b951d075dabe2bc6ed37cb5c1a12fc3f7

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
SignatureBXnmBSOD2T35rxvUmUxCpaVIenp3ffJz5h1qbBlRQPCD32LNTXeNhj8afgTqBP8FFFwlNP0fe09clv4Q0wujAA==
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

2026-09-17T11:46:38.326315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026133
observed ee32503118a7d48aa2952496cfe3fe43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.309886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026133/manifest.json
observed 45143d70a031feb042930aa0385ff36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.290896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026133/publication.md
observed 74c07f37d07b4954fa8feb861afd5719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.272964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026133/publication.txt
observed a75b864f04ca15f42752abfd7c8938bd...
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.