OpenTechnical

OT-2026-000021870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000021870) never changes.

Identity and time

Publication numberOT-2026-000021870 · never reused
Internal UUID01a0ae6f-bb5b-7f55-b29f-c7e3de3c705f · 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-2026-000021870
StatusPUBLIC

Content hashes

Canonical text7857087cda9bf6c697b19328f69a8da9ced1ec0b8b2c5725e599e82cdb456d54
Markdownbe6e1f0065d47a9060b30726204ac1a0702bcf0c4bee8c68ba494685edf4023d
PDF
Publication page126414aef85b3084754923885e48f799d54d5e0de05362d350dd7e8e04cc41e4
Manifest721b6b7de86af5fbd13f992094d665e3bbcc149112916e67c6a085aece9cdbb0

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
SignatureIYO2AYjg1CCoTvJNPvxxt5IApunvIxH9yNSdc12j2Y5eZoZdS1P+WngrpdqANDSPSlt1iB4f14o78u7qNPjqDA==
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

2026-09-17T11:54:26.094258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021870
observed 126414aef85b3084754923885e48f799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.076931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021870/manifest.json
observed 721b6b7de86af5fbd13f992094d665e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.059273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021870/publication.md
observed be6e1f0065d47a9060b30726204ac1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.041113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021870/publication.txt
observed 7857087cda9bf6c697b19328f69a8da9...
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.