OpenTechnical

OT-2026-000053229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000053229) never changes.

Identity and time

Publication numberOT-2026-000053229 · never reused
Internal UUID01a0ae85-0a14-74c1-93dd-6a6371e98546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053229
StatusPUBLIC

Content hashes

Canonical textcb19481d9ce601d2c2455396061ccc942ace62bb138d496491163a43729ea147
Markdown6a01a436b68bf104acefb3fa7af64822313f538eaa9f0a763572c1bde2ac1c25
PDF
Publication pagee672942adce968bd4dad73355b4da1c06879c7fa4b1a944c64043dd73a3a306c
Manifest255845d5602643e2b52a49e08b87d52c76f57f36b9c35a28b9638915c743de1b

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/sUS6UdVy90/kgxawsMxc1g75O/k50EcPcI91ACTqMneEzqNXavVnnThwhT77ZmBl5ni5zKZhUF22JVJU8/7BA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:52.831249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053229
observed e672942adce968bd4dad73355b4da1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:52.806678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053229/manifest.json
observed 255845d5602643e2b52a49e08b87d52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:52.783334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053229/publication.md
observed 6a01a436b68bf104acefb3fa7af64822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:52.764724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053229/publication.txt
observed cb19481d9ce601d2c2455396061ccc94...
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.