OpenTechnical

OT-2026-000039044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000039044) never changes.

Identity and time

Publication numberOT-2026-000039044 · never reused
Internal UUID01a0ae78-9672-7d3b-99d7-a55f057bbf32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039044
StatusPUBLIC

Content hashes

Canonical text3dcd1930682b0a9a629192b196a45a628e334e0f8333853eacdd65f2548fde26
Markdowndb4aca608d766c2abf8a19a58c17981dfeeb068be9d0609d2ed35de599c95829
PDF
Publication page994cd6d771364355fee6b67ca83b1e1142e405f3b06f33ce27191ee9161d1aca
Manifest167a506eff608342e3cc318b2556988b25f3937e8e09b4e3c942bfa749006e37

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
SignaturezekJIqb7CSWGjHUocxSw217MLo60GdC+NtY3/niFv0tz1US2V0/zrvYVQmf5IoQPPTOnWEhYAU1UPVRrumrEAw==
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

2026-09-17T11:20:23.894052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039044
observed 994cd6d771364355fee6b67ca83b1e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.876330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039044/manifest.json
observed 167a506eff608342e3cc318b2556988b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.856547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039044/publication.md
observed db4aca608d766c2abf8a19a58c17981d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.837688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039044/publication.txt
observed 3dcd1930682b0a9a629192b196a45a62...
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.