OpenTechnical

OT-2026-000103342

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000103342) never changes.

Identity and time

Publication numberOT-2026-000103342 · never reused
Internal UUID01a0aea4-be3f-70b1-b434-2198a4f9c6c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103342
StatusPUBLIC

Content hashes

Canonical text990163bae7f41aaa43fb9144f712d0974635145d133c54fe8ac04ed97a678d05
Markdowna26ccc873afea7c49788258561a1115542e54c580d34763da11d6e304bd0737c
PDF
Publication pagef0748767675eb1441b350ec7287e3835faf2bc841979cdec4cb629674c960d6a
Manifestacb32c52ec68af7f0d30e604606ed4cdcd1f62c77e7786fc71219196e177c9ed

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
SignaturebK1TLS+o1s68wPzRf2hNIHH6xWdrqYUmXA3F+C6M41WzXIOQBHEDs0Voz1LF/0YZZWswSCAPAygCNGKANDXWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:36.078333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103342
observed f0748767675eb1441b350ec7287e3835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:36.061395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103342/manifest.json
observed acb32c52ec68af7f0d30e604606ed4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:36.041035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103342/publication.md
observed a26ccc873afea7c49788258561a11155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:36.022630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103342/publication.txt
observed 990163bae7f41aaa43fb9144f712d097...
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.