OpenTechnical

OT-2026-000026637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026637) never changes.

Identity and time

Publication numberOT-2026-000026637 · never reused
Internal UUID01a0ae71-f4aa-70bb-a200-195fa084046b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026637
StatusPUBLIC

Content hashes

Canonical textb3eb255ee5babc332057adc7c84dff70bf2e63b3a51f98d902c84a40649f0959
Markdown6b7d081f6c95fd93e6b7279fec0ea1f02ba478d980c4491bdcebcf43ea8e5290
PDF
Publication page06099ecf02407eeedaba7f0c9c22832eee31dae6ebdb5f21733c0c1cd93d5ec6
Manifesta04de1a171ff9ab63fb2239d56f61eb4af96c7464fde01b1876fed36bd89c25f

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
SignatureAXn+1EdtQp14GDuF64ogqK45pLb/40ZlXNuCDJADStZRu4UWpL2ZgCL890SgH9XAACHCmTrbINLrkgZgKM+vBA==
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

2026-09-17T11:45:42.884020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026637
observed 06099ecf02407eeedaba7f0c9c22832e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.863905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026637/manifest.json
observed a04de1a171ff9ab63fb2239d56f61eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.844752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026637/publication.md
observed 6b7d081f6c95fd93e6b7279fec0ea1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.824707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026637/publication.txt
observed b3eb255ee5babc332057adc7c84dff70...
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.