OpenTechnical

OT-2026-000061978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000061978) never changes.

Identity and time

Publication numberOT-2026-000061978 · never reused
Internal UUID01a0ae8b-b8ae-78c7-946d-cca1f9337124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061978
StatusPUBLIC

Content hashes

Canonical textdc868049916297c8a5ede379ee0d08baf43800b1b00116a8e2ad8c94700c5e7f
Markdownf9b1f41fb630ac103c330b124402a6be7334697cd85f2303487b697b90261b36
PDF
Publication pageacb26e0cd1e9391cbd672407d1c9140a50fb706dd122f95d623b448da8278d84
Manifest906e272fe99c8dfa05c8c3c97bec85e480f692e2377c8c394c097f82bbfe2f6f

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/Lkynfr7eT2Ea8Y41I8y2kYMwnenMuFWzC/hP0zOvBhETiUrsHgUcSMYIwlsEFpQcHltngvv40seOGuO50/fCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:54.057585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061978
observed acb26e0cd1e9391cbd672407d1c9140a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.033964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061978/manifest.json
observed 906e272fe99c8dfa05c8c3c97bec85e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.007253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061978/publication.md
observed f9b1f41fb630ac103c330b124402a6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.980632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061978/publication.txt
observed dc868049916297c8a5ede379ee0d08ba...
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.