OpenTechnical

OT-2026-000026004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000026004) never changes.

Identity and time

Publication numberOT-2026-000026004 · never reused
Internal UUID01a0ae71-a83f-7f28-9371-5fc09d7f3945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026004
StatusPUBLIC

Content hashes

Canonical textec68a7ee9d4d654c73e3b643a82bf243066209bde052608531446190936eb2b3
Markdownb36037cfdc7907b2927494b10da21109cae7a63ede1b81d01241b4842522aa21
PDF
Publication page341c52c867ce708579c13c1ffccaac3f7408c279256450dbbed67d36f6acac83
Manifest88f43ead985428c49b5805bfba25a685c4c8c5c7be1baaa993da7a22b5e9f42e

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
Signature7iNSzmtdjiinzj+SyUPZbM0I7NdIVJFhSgQAgcZCYZ3YuZZa1Dg6dfUwCahSdhH9zo7nblUihFOdMoJock6RBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:22.895272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026004
observed 341c52c867ce708579c13c1ffccaac3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.877940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026004/manifest.json
observed 88f43ead985428c49b5805bfba25a685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.859860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026004/publication.md
observed b36037cfdc7907b2927494b10da21109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.842050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026004/publication.txt
observed ec68a7ee9d4d654c73e3b643a82bf243...
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.