OpenTechnical

OT-2026-000023808

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000023808) never changes.

Identity and time

Publication numberOT-2026-000023808 · never reused
Internal UUID01a0ae70-aed5-71c5-9185-4aa650a780ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023808
StatusPUBLIC

Content hashes

Canonical text229cba03260a412a96cff7b4a3018fbc776a08771008c5c7ab01efda5280e12d
Markdownc87d4a85087f57f57ae662365d8bfe2f7a60f8b73ac3757f0504d4d6de5a1d2d
PDF
Publication pagec88091fea74b40c6e11075667e168ce93be78486190583189202b3b9e924304f
Manifesteee89fac94d99389637a91196209a740980cccdb76300ea7b3c7f749c5cd9b7d

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
SignatureyfKhI7kRXean5DBFmYrAgWgEuopn9Spae4s6FQro/ZGrJKMLQZHDc6xYFhEBY4CBa2sZ8+a2+vXvhKQZmGcuBw==
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

2026-09-17T11:50:17.302094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023808
observed c88091fea74b40c6e11075667e168ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.282491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023808/manifest.json
observed eee89fac94d99389637a91196209a740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.264779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023808/publication.md
observed c87d4a85087f57f57ae662365d8bfe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.247093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023808/publication.txt
observed 229cba03260a412a96cff7b4a3018fbc...
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.