OpenTechnical

OT-2026-000027164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000027164) never changes.

Identity and time

Publication numberOT-2026-000027164 · never reused
Internal UUID01a0ae72-3454-7324-9c14-672db31541c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027164
StatusPUBLIC

Content hashes

Canonical textaeb2ee2638bebce4e990d5057c145e7c5064c7fde82e5cd21a5a3b34b1daa537
Markdown126c0ec69ba8cfc202b695fcea7634e7ee61d0fa7b8e02e1cc2e4ac2617b6d02
PDF
Publication pageaff63fddc42053b0267eddb11fed88c3254d1600cf96e87970ca71e4903bd481
Manifestc8bdbfdcd516c82b642ec6e8fc45216098b8939cc947b5bb002fc2cff03698c9

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
SignaturehjhtqWtsbbJAseZEyeIqffidxH7q6/+Hw2aTVTL5xmkbmdo0/bthB5JtiGMArJo7lwv+dLZ2MumqMYYGBMypCw==
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

2026-09-17T11:43:56.764963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027164
observed aff63fddc42053b0267eddb11fed88c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.746469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027164/manifest.json
observed c8bdbfdcd516c82b642ec6e8fc452160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.729690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027164/publication.md
observed 126c0ec69ba8cfc202b695fcea7634e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.710986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027164/publication.txt
observed aeb2ee2638bebce4e990d5057c145e7c...
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.