OpenTechnical

OT-2026-000027757

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027757) never changes.

Identity and time

Publication numberOT-2026-000027757 · never reused
Internal UUID01a0ae72-a4a4-7bc6-8eec-dd761f65fa2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027757
StatusPUBLIC

Content hashes

Canonical text92502a9dd60445372a6d7dc1ac2e890ebbedb3080faf3d26156e1b52ff0b094b
Markdownd847a4222acea18bbb4f549daed110657320c8b0210c5c2b35fa9a5f2013aef8
PDF
Publication page51cd0324f62b76f16c2cf16bb2235152fcea1e0fd27760116bc63800372a9c35
Manifest3a8b061c396cc575cad0225aca80b883cd6472cc9ba103f0f15fe1482eec90c8

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
SignatureQYaPObJqOjquRM9dQ28Io4jtXX+Q6BZh/ysMfn1Bprg+hG2zKZwhJM/eKKCYJ4/L/GjasL/M2Q5E2P66sAH1Ag==
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

2026-09-17T11:41:47.988475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027757
observed 51cd0324f62b76f16c2cf16bb2235152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.970846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027757/manifest.json
observed 3a8b061c396cc575cad0225aca80b883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.952280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027757/publication.md
observed d847a4222acea18bbb4f549daed11065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.934148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027757/publication.txt
observed 92502a9dd60445372a6d7dc1ac2e890e...
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.