OpenTechnical

OT-2026-000043480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000043480) never changes.

Identity and time

Publication numberOT-2026-000043480 · never reused
Internal UUID01a0ae7b-92ce-7936-b140-bb9568dafe08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043480
StatusPUBLIC

Content hashes

Canonical text57865f38cdf8b7673cfc5c00f93f8d49b6b17fbbbab641adeab940b7bae7593d
Markdown77cd07e8c2cbb48ad4c9a25500dbca2c3b28612dd163da4b7f450aa028f8d875
PDF
Publication page8a3464bd08a0ad785af5afd2191641e98cef0b64daa696e2cf8f3b066819c60b
Manifest4f0b8652a9ce34a1bde9d81a69b6b38692405691e8cbd57782c5aef13a051293

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
Signaturels9Yg12+2DszU8Rs8SmIf64SAKkf4P7bJJ1HVdKQ3IbOTxsDeJf4HuQjFeUEmeVKwfKDS5lhXR/eXMZ072ldCA==
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

2026-09-17T11:12:50.342493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043480
observed 8a3464bd08a0ad785af5afd2191641e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.323656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043480/manifest.json
observed 4f0b8652a9ce34a1bde9d81a69b6b386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.306095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043480/publication.md
observed 77cd07e8c2cbb48ad4c9a25500dbca2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.287477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043480/publication.txt
observed 57865f38cdf8b7673cfc5c00f93f8d49...
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.