OpenTechnical

OT-2026-000041584

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000041584) never changes.

Identity and time

Publication numberOT-2026-000041584 · never reused
Internal UUID01a0ae79-e8a0-7c5f-a2d5-d11980b6e71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041584
StatusPUBLIC

Content hashes

Canonical text770c8342a8320ee87a4437819aa1b63fd25b0060efe60d0bfe880bd1d0f09f4f
Markdown049ead04b34c0db2a9085131d8fe6e9d5b9daff576c6aa05d290508f94dab66f
PDF
Publication page19d334fa62e8c9ac2c97b79f8254cd352f00b16757d19a3990fb0994bde65cf5
Manifest6a8b40b862b75cd241e584fcee1f1d0d11c5682bff9b2639f1f2bc5b254669b3

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
SignatureHP1xQgORub3EqU2a7cKU2w4VNBKCjxzCtvUhFuBaApDph59rvwPVUNxTbljGSmXJPjOTGvbqU0bfYFafBeGiBw==
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

2026-09-17T11:16:22.186314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041584
observed 19d334fa62e8c9ac2c97b79f8254cd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.169487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041584/manifest.json
observed 6a8b40b862b75cd241e584fcee1f1d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.150596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041584/publication.md
observed 049ead04b34c0db2a9085131d8fe6e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.131509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041584/publication.txt
observed 770c8342a8320ee87a4437819aa1b63f...
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.