OpenTechnical

OT-2026-000068506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000068506) never changes.

Identity and time

Publication numberOT-2026-000068506 · never reused
Internal UUID01a0ae90-2481-7326-b335-8ba3f64efe4a · 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-2026-000068506
StatusPUBLIC

Content hashes

Canonical text6178a84808b979e8ea7ce2e3d65e2597aa64b43f17c0529edd58bbe3a47f7693
Markdownc8247e259851252b29dc07c1c4e585a96e3ced1a9fdd2cf499ff445658dc1496
PDF
Publication pagedf798d428716f61dcf83af2279e149a4bfc5e781053559a77174bbc13c9b2e33
Manifest1382c958f7140d0fa18d1c58cb8d861a70e7b882f81d771bde4af78bfc5f6df0

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
SignaturemEJ06H1i0MfAzQGLKifJW19EXrrxp5ZEHWUwtOLbQdDOT8GRVgT9c9K/ZVJMbdXeU8YrJOzRwggqmlquQhDKBg==
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

2026-09-17T10:29:39.909860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068506
observed df798d428716f61dcf83af2279e149a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.891677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068506/manifest.json
observed 1382c958f7140d0fa18d1c58cb8d861a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.874942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068506/publication.md
observed c8247e259851252b29dc07c1c4e585a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.856284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068506/publication.txt
observed 6178a84808b979e8ea7ce2e3d65e2597...
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.