OpenTechnical

OT-2026-000068906

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000068906) never changes.

Identity and time

Publication numberOT-2026-000068906 · never reused
Internal UUID01a0ae90-6dcc-7cda-ae7d-c6d686757d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068906
StatusPUBLIC

Content hashes

Canonical text38c013d3b0a3ff7ac1b8a4353b1ba2e035f6457a717e15555ac36700737bf949
Markdown04e4f88772d15c1bc8091881469c8f26f443161e4e3019791dd2349324b98a24
PDF
Publication page6fe0d003acff9bb48d88d1babf946a3b0ee66f5ca0c70779d6611a099c31cc7a
Manifestc7af944e190e8274d5e590e1bf6b0ed95d25bee5aad10554e08d4ad1589a2d71

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
SignaturemTghGTEID9vwvU+i+g8xL7sY6dmCkuuAi4AsWB4IYiXwt1y5Xso8THKvOKtpI2FAEjqQ6iF5oICv2Bw3YvoSCw==
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

2026-09-17T10:28:43.789317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068906
observed 6fe0d003acff9bb48d88d1babf946a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.771093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068906/manifest.json
observed c7af944e190e8274d5e590e1bf6b0ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.754411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068906/publication.md
observed 04e4f88772d15c1bc8091881469c8f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.737218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068906/publication.txt
observed 38c013d3b0a3ff7ac1b8a4353b1ba2e0...
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.