OpenTechnical

OT-2026-000044824

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000044824) never changes.

Identity and time

Publication numberOT-2026-000044824 · never reused
Internal UUID01a0ae7c-911b-7aea-b71f-5a3f52fc62f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044824
StatusPUBLIC

Content hashes

Canonical texta69a039612c166a1695d9aa6c6d3a72f79bb6ebadd2d05254429ae64f0fbeeed
Markdown9e8a1af20ebd310c347642079b72a3f13187e5222b957a3123b71c1aa179c5ac
PDF
Publication page04056a40191b3ce5c37f9446fdb7b3186687832c0f43c1c4d7e783f33ceef31d
Manifest916083cfde2a32c9a27ec31b1b6fae51704c348c1f94f05930c756a70717db6d

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
SignatureOBhQ0q7qB2Lzj9cnRdl+BYk9E08eK4jR9ct9qyoINpdl63ellqNd7VO6/HILUegk9CK/WLUe+3q7PPtPHYNUDg==
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

2026-09-17T11:11:27.681527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044824
observed 04056a40191b3ce5c37f9446fdb7b318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.662472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044824/manifest.json
observed 916083cfde2a32c9a27ec31b1b6fae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.643077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044824/publication.md
observed 9e8a1af20ebd310c347642079b72a3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.623585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044824/publication.txt
observed a69a039612c166a1695d9aa6c6d3a72f...
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.