OpenTechnical

OT-2026-000068666

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000068666) never changes.

Identity and time

Publication numberOT-2026-000068666 · never reused
Internal UUID01a0ae90-2483-79cd-8bd8-96efcf845f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068666
StatusPUBLIC

Content hashes

Canonical textdfed8ef4280fcc6a3f2e325645d00895e0eacc885283ee864649bd4c851d2011
Markdown7f7be490b43ae0811d2f6824af01f3a8bc89528b4741b2281f89e2d15775aa39
PDF
Publication page438eb2788e38471a32c3e982e15312ccc461a41dd4823da726ba4cf9170df21b
Manifest0416a33591c22ba830f6cb5884f4939df8abcdfff063cd7dc55853b6ee81e140

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
SignatureTe2TYq+9EsnvYWBPhjPtrHioZwCw0Puhf3d/j6IbSLEIBaeNeWO0ojeaWUg1hL4uhQ2LSaC8JUvY/2JkAD9TDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:51.897723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068666
observed 438eb2788e38471a32c3e982e15312cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.879865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068666/manifest.json
observed 0416a33591c22ba830f6cb5884f4939d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.860704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068666/publication.md
observed 7f7be490b43ae0811d2f6824af01f3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.842584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068666/publication.txt
observed dfed8ef4280fcc6a3f2e325645d00895...
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.