OpenTechnical

OT-2026-000040686

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000040686) never changes.

Identity and time

Publication numberOT-2026-000040686 · never reused
Internal UUID01a0ae79-6d0f-7ea9-acbb-83eac9b59cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040686
StatusPUBLIC

Content hashes

Canonical text332ab2062a64c2ab7d0cfbf0fac4de39d8715b22849dd5b968094c96f3b31f18
Markdown4ecf90e8db1a775a629744ffa8dede0c4080d8aaf7f8b659f5733a15ff0dc8dc
PDF
Publication page5db4d15647185f4c2d58099a9abd0526a433afb0e0cd5b9815e7e98df1628114
Manifestad09a64e2ba8bbeb205b7c5caa09ec05258fef7d0edc6708ddd8f4b4be678660

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
Signaturey4vtI0uTqCDVJyVKdCjkgyFcg34FkFZlXFUaqrLpfqpy8mOp5bBANGtmnA8rgDTBhUIetOonWYPBVQNkX6wSCQ==
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

2026-09-17T08:42:47.561859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040686
observed 5db4d15647185f4c2d58099a9abd0526...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:47.332888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040686/manifest.json
observed ad09a64e2ba8bbeb205b7c5caa09ec05...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:47.100666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040686/publication.md
observed 4ecf90e8db1a775a629744ffa8dede0c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:46.758423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040686/publication.txt
observed 332ab2062a64c2ab7d0cfbf0fac4de39...
fetched by grabo-systems from 34.44.131.203, 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.