OpenTechnical

OT-2026-000022017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000022017) never changes.

Identity and time

Publication numberOT-2026-000022017 · never reused
Internal UUID01a0ae6f-bb5c-7ece-bcb0-772ab2ae4b31 · 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-2026-000022017
StatusPUBLIC

Content hashes

Canonical textede2df03a8e088b9d5b9c2b8f93b1b4396651af3fe52c16d54075d491be7abad
Markdownb65889a9d60c53289f236032f919ab5b7ac0f224a4ccfd94ccfc505d2cbed1f1
PDF
Publication page91a8559291eff0540f4e2ee4df5c920d4c32e30226dfcaa5c4fb23b0078db586
Manifest9ac00e1e2b763d0a7e98a98a0b542cb03d0e86982a23a0d2e35e27e90b6e733c

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
SignatureAAhwKsAyqyTRpUZqFcheYyPifzwqjrHeipuCHixYIKVisi/2Bhap+4pOthQKrBD8NLNkLH+xE6d4EbQOltSwAQ==
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

2026-09-17T11:54:42.056704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022017
observed 91a8559291eff0540f4e2ee4df5c920d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.039204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022017/manifest.json
observed 9ac00e1e2b763d0a7e98a98a0b542cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.021847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022017/publication.md
observed b65889a9d60c53289f236032f919ab5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.004194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022017/publication.txt
observed ede2df03a8e088b9d5b9c2b8f93b1b43...
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.