OpenTechnical

OT-2026-000066428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000066428) never changes.

Identity and time

Publication numberOT-2026-000066428 · never reused
Internal UUID01a0ae8e-ce40-75c3-90cd-50bb4a7344c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066428
StatusPUBLIC

Content hashes

Canonical textc388d15e56a4cae1334057fd808f030b952459bb16ba66c16ce3c3e3217e5e0d
Markdownf4988d0ac66e92f823b7aa7f3e0f06b8131fb5ba4fcce96063b6eede4eb0574e
PDF
Publication page8d0675c2b10c4568734cc6bc0063f14813b0aded001953f1e23d1141e16d5c9a
Manifest451ef0461712dbd57a0fd24ed29b0f05465278aa59b1a6f9586ba04e55f8e047

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
Signature//gE7/K7rDcB3LFkCITyGNpYLMKeHgBoR2ksXyI9a/opxsQSxnjULZaSplWIjRRFTrkRWk/dVbzquk2lqshaDQ==
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

2026-09-17T10:32:40.211164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066428
observed 8d0675c2b10c4568734cc6bc0063f148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.194637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066428/manifest.json
observed 451ef0461712dbd57a0fd24ed29b0f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.177171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066428/publication.md
observed f4988d0ac66e92f823b7aa7f3e0f06b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.159274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066428/publication.txt
observed c388d15e56a4cae1334057fd808f030b...
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.