OpenTechnical

OT-2026-000026597

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026597) never changes.

Identity and time

Publication numberOT-2026-000026597 · never reused
Internal UUID01a0ae71-f4a9-7d7c-b9f2-d1c4fc5379f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026597
StatusPUBLIC

Content hashes

Canonical text792d0a4f749ca84aa7c5857b71a7985a9573b09f2f41a94d668f0fbf3f532f41
Markdown0fdde9e372821f1374d8bc326cca235502f31f1c1e411a8c40660715bbb8e65f
PDF
Publication page12772edc713f3072752a05e122a000ae05d01e682683ca811ec8823c024fd931
Manifestbc5fdd99beb113eeaab4799525cdfe25a082a14b1df125658281c89acd986058

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
SignatureIO+eA4F+p2X6NoxFBC0NgIAGkmuDXZhwlQ1gL9A9ZCmknocAPWmMeYRm8dT0Bj32omGqC17wU2HazE1iHuyACg==
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

2026-09-17T11:45:40.064454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026597
observed 12772edc713f3072752a05e122a000ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.043323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026597/manifest.json
observed bc5fdd99beb113eeaab4799525cdfe25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.019872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026597/publication.md
observed 0fdde9e372821f1374d8bc326cca2355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.991584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026597/publication.txt
observed 792d0a4f749ca84aa7c5857b71a7985a...
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.