OpenTechnical

OT-2026-000067993

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000067993) never changes.

Identity and time

Publication numberOT-2026-000067993 · never reused
Internal UUID01a0ae8f-c4fd-7c87-ab2f-69a556c1ac98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067993
StatusPUBLIC

Content hashes

Canonical texta1ddc042adcfca615ba43b6ac0f8f26742d1ea7d1d1fcabd311524c1e1f44906
Markdownae63b48904fc5496bc27795f3123bf724a479116a04f1f6fe089b4a3192844fa
PDF
Publication page59491bf269cc8e9fcf96c99cf6d9257b613aec671fda7b189c633878d8b464de
Manifestc630107ae77e6a90002cea35febbb22d5d7b995b9fb8a60366935738f247cc5f

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
SignatureyaIpvzL3EjLU0PuzmbAJum2xTbRbRvrZBwF8rk2jkbmeJ1u13uj4l801IKAWciXLwjGvkIsLH9CeNGpmBkBuCQ==
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

2026-09-17T10:30:32.685588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067993
observed 59491bf269cc8e9fcf96c99cf6d9257b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.666560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067993/manifest.json
observed c630107ae77e6a90002cea35febbb22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.646619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067993/publication.md
observed ae63b48904fc5496bc27795f3123bf72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.630174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067993/publication.txt
observed a1ddc042adcfca615ba43b6ac0f8f267...
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.