OpenTechnical

OT-2026-000050884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050884) never changes.

Identity and time

Publication numberOT-2026-000050884 · never reused
Internal UUID01a0ae82-c7b3-7328-94e3-0339d7c7ff24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050884
StatusPUBLIC

Content hashes

Canonical text7e5307ab4843cdf3373335df0d4ebdec2e491f10c8726a4520cf16b592b20b82
Markdown374d72ebaff5567a467ba38f479a874dea7ae6af0eb4a0b45d9a84a7fc1a26c8
PDF
Publication page92abd541bc17b6415a8daa03d1524d2fb2553c2dc00a4cd7e95dc82141a2ff89
Manifestadb2a30af86a9a42c4ee70eee439c20dc11e566c761b04a289e2622cb4052a38

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
SignaturetM/V7OsOM0Cbs05Cc+veRlw7NGjlyxxf94enZ3tEIzEcWNojyktLta+F6X1GT5ajTwrP69LlKC01R2L9LYGZAg==
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

2026-09-17T11:00:37.127891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884
observed 92abd541bc17b6415a8daa03d1524d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.095599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/manifest.json
observed adb2a30af86a9a42c4ee70eee439c20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.069400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/publication.md
observed 374d72ebaff5567a467ba38f479a874d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.051958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/publication.txt
observed 7e5307ab4843cdf3373335df0d4ebdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.023197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884
observed 92abd541bc17b6415a8daa03d1524d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.005874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/manifest.json
observed adb2a30af86a9a42c4ee70eee439c20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.985925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/publication.md
observed 374d72ebaff5567a467ba38f479a874d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.966306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050884/publication.txt
observed 7e5307ab4843cdf3373335df0d4ebdec...
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.