OpenTechnical

OT-2026-000079900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000079900) never changes.

Identity and time

Publication numberOT-2026-000079900 · never reused
Internal UUID01a0ae96-4376-79da-b9fe-40a16b5e522d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079900
StatusPUBLIC

Content hashes

Canonical textb047ff6e738a4f652718419604fc5a2a4721091859ef6c68b3a95dbafac8017b
Markdowne5be69254bb3f0334ba776d9ba2c33588fd5f97bdbab1f95c11b49a5b6c8498b
PDF
Publication pagefd896b6e2b9068b5485aaa7ce8844f89f5c4e5abb6c216591487811e57db0706
Manifestb1b031fced99c7a1bd8e9d44773e18cae5a0d133bc50580439104b9704b126c3

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
SignaturePM+ZQI+O68p8hUIH4dNHj9frrpdpFBczIKQ+QaC4a2qB3/a+gHbKwcb8Vx5c+4cvTuW3KvEsMF1RSRw0nC0eAA==
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

2026-09-17T10:03:47.791991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079900
observed fd896b6e2b9068b5485aaa7ce8844f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.772916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079900/manifest.json
observed b1b031fced99c7a1bd8e9d44773e18ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.754977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079900/publication.md
observed e5be69254bb3f0334ba776d9ba2c3358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.736249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079900/publication.txt
observed b047ff6e738a4f652718419604fc5a2a...
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.