OpenTechnical

OT-2026-000027295

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pulsed 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-2026-000027295) never changes.

Identity and time

Publication numberOT-2026-000027295 · never reused
Internal UUID01a0ae72-6996-77d0-bd62-989d6bf6ffe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027295
StatusPUBLIC

Content hashes

Canonical text2d0b04381bb2931eafb7dc3afa507787d0609d7eb5e765f5840ef05c6cc13fef
Markdown95e01ae4bd6ed09bf7ee9f11ec6d115f7286a80363bf4fdf23a3648fe8bbfc63
PDF
Publication page1b1bd4fb0486516fdb3278b76a5058cfd28b0961fd6c24c4c030d9c41d95ed8a
Manifestc0f2f472120fa0a00d70ebe466df24585680ef5a04a7705e88131da881c5e014

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
Signature1q/9ktNi0rX4kFKhKt3V9FUWeq9Ba4uZaF5/Tnsa0U0yYEvZYQ/ZzLOAbtbKez7kViA/A/ERah0z8K9uPpi3Bg==
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

2026-09-17T11:42:41.068502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027295
observed 1b1bd4fb0486516fdb3278b76a5058cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.051232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027295/manifest.json
observed c0f2f472120fa0a00d70ebe466df2458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.034013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027295/publication.md
observed 95e01ae4bd6ed09bf7ee9f11ec6d115f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.014530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027295/publication.txt
observed 2d0b04381bb2931eafb7dc3afa507787...
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.