OpenTechnical

OT-2026-000044804

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044804) never changes.

Identity and time

Publication numberOT-2026-000044804 · never reused
Internal UUID01a0ae7c-911b-7841-a689-9f75f8edeb33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044804
StatusPUBLIC

Content hashes

Canonical textbb93d576733a0a47b1b98284ecdfdfbc07c96e4e1485ec22b628dbe5151c8ee9
Markdown93f10b5a6a0bccb8ca3ddd93ac6c948c9e06dea6948822c29825bf6c4f720330
PDF
Publication paged10687a282a3217f6888f443b7ef8e6a6dd420ae82036ecba1a68cddcc1977c4
Manifeste75a3b381c1848b66f959ff0516a8cf7968400849f516c6d63a344f667837fb6

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
SignaturejND61kJt4ViGmql0rUmtxjn2cTXLuGiWVUAqLPi6xTVa8zm63P2+oRDTPnvymPpTA79YlghMDf1sU//1yHSOBw==
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

2026-09-17T11:11:26.087617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044804
observed d10687a282a3217f6888f443b7ef8e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.068052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044804/manifest.json
observed e75a3b381c1848b66f959ff0516a8cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.049565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044804/publication.md
observed 93f10b5a6a0bccb8ca3ddd93ac6c948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.030707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044804/publication.txt
observed bb93d576733a0a47b1b98284ecdfdfbc...
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.