OpenTechnical

OT-2026-000029441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000029441) never changes.

Identity and time

Publication numberOT-2026-000029441 · never reused
Internal UUID01a0ae73-5e21-7ac2-8b1f-5ed055a46f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029441
StatusPUBLIC

Content hashes

Canonical text020cf47d72062a41d6eea917e668c5ad53eaa57d9ac563facef773b61c731a69
Markdownd0395ba04797a9aaed40a9ed0dabebcea5bd7e22c14f0fde65e5d4999c0ef5ba
PDF
Publication pagecbd8cf84ca4f680e62219dd876bb55b5ffeb1fb4ed62a672a4cbcca5883aad16
Manifest70c5a509ca6fc26b9d796d1f1990a5138d7f6e1fd4c422ba9a32685dc0863cb4

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
SignatureO8uYw2OZ9+ZLLp3zvZGT/KzPmVTNDqpS6NNaYDT6zhcdeywAbPjkS/ozQr5KvHde4ifHxOn9fQR827tuJKSSCw==
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

2026-09-17T11:39:03.449480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029441
observed cbd8cf84ca4f680e62219dd876bb55b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.429812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029441/manifest.json
observed 70c5a509ca6fc26b9d796d1f1990a513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.413164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029441/publication.md
observed d0395ba04797a9aaed40a9ed0dabebce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.393845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029441/publication.txt
observed 020cf47d72062a41d6eea917e668c5ad...
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.