OpenTechnical

OT-2026-000037035

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000037035) never changes.

Identity and time

Publication numberOT-2026-000037035 · never reused
Internal UUID01a0ae77-7740-7d8b-9b05-c504a3dc41a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037035
StatusPUBLIC

Content hashes

Canonical text30df0da53a685b6286fe2c26352d00da82e7a4d568dd5005206d8987cde1b1f4
Markdown5a1488530d065eec0e07a3eee0a1e11d264e4ad2b5051a30c7d8b54d3d2f34e3
PDF
Publication page5f42df218561d743e3426a8b6beed4be37376faed4313021d440d2dfab78558d
Manifestef3ce02a4a21098b65a886dfc357300f219e0114c636d11a05074c6194afc033

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
SignatureLfOqVoEi+9TCMg5ohzCaiCKs9TWufBks955PVnpsszBa/2Pa5LwbVuoNUi8RUn1dmcrts60GMQith4OAKTNRBQ==
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

2026-09-17T11:24:52.551929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037035
observed 5f42df218561d743e3426a8b6beed4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.529370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037035/manifest.json
observed ef3ce02a4a21098b65a886dfc357300f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.508544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037035/publication.md
observed 5a1488530d065eec0e07a3eee0a1e11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.486754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037035/publication.txt
observed 30df0da53a685b6286fe2c26352d00da...
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.