OpenTechnical

OT-2026-000080923

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000080923) never changes.

Identity and time

Publication numberOT-2026-000080923 · never reused
Internal UUID01a0ae96-b975-7401-9854-94bb1d8ed134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080923
StatusPUBLIC

Content hashes

Canonical texte8344e909524586b21506175f1f8fb53160f17702821e4e39a0df9afd90c65bc
Markdown03c5d87f2463369c2b828b876ba917a022db911be0d1d683759b58ccf7d9934f
PDF
Publication page3c78a95a2b4d1072ce7dcf6454d26a1ed6e77a78a4eb60629cde6e42ab24ce89
Manifest88f70f04e0f020b25c99fad006b0ff76b1d1fb38f2cc4f36928eaace19f4f300

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
SignatureUIjuGN2Qi+g8v+7MOeoQRLF6Nm6n//+R0bx4eR0e7Vs36dXA0cd6BNEvxZP+2TShZYDFmx1yarpZ7E8bURV0CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:07.607059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080923
observed 3c78a95a2b4d1072ce7dcf6454d26a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.588793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080923/manifest.json
observed 88f70f04e0f020b25c99fad006b0ff76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.570999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080923/publication.md
observed 03c5d87f2463369c2b828b876ba917a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.553862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080923/publication.txt
observed e8344e909524586b21506175f1f8fb53...
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.