OpenTechnical

OT-2026-000051431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000051431) never changes.

Identity and time

Publication numberOT-2026-000051431 · never reused
Internal UUID01a0ae83-7c7f-7454-939c-e03f3d5694b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051431
StatusPUBLIC

Content hashes

Canonical textff9c9e1d355204c6a3a48056e2c468b268d8ca860c33e3f859dc80f4eb01911d
Markdownb87282beb89d72e4c2c077ca7931331db5033eaec4566069a2995058c93b6368
PDF
Publication pagece1e605a129136d45f47e8962b07b580f4d358d4be06b1cbf75b9b34726261a5
Manifest1a99b6ebb32440dfb78cfc6e7c8de28ebcae62236b6eba26a124c4b54227e385

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
SignatureCtGbVT7f5dVEf3aPhwIix+eQ+gOhyMloit/r3LY14dH0vkzvpHwqGkyJcFiqOMKKC8a0I73Nkc27DUbbqa2NAQ==
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

2026-09-17T10:58:09.085613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051431
observed ce1e605a129136d45f47e8962b07b580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.067399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051431/manifest.json
observed 1a99b6ebb32440dfb78cfc6e7c8de28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.049402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051431/publication.md
observed b87282beb89d72e4c2c077ca7931331d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.030674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051431/publication.txt
observed ff9c9e1d355204c6a3a48056e2c468b2...
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.