OpenTechnical

OT-2026-000047809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000047809) never changes.

Identity and time

Publication numberOT-2026-000047809 · never reused
Internal UUID01a0ae7f-c420-7b24-957b-4b0aa18c5800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047809
StatusPUBLIC

Content hashes

Canonical text802f42adf0be7e68520305a3c77922eb4c4726e6bf165cf91359d5a583f8b9b7
Markdown2ab1a45bc5c9e123589669b0b3d98a0a281596ec1f4cad08a15dcc00d1f0395f
PDF
Publication page9dd74ceb27e4f57fd6da439c057475ae139d9747e61307d3654dd5f301056417
Manifestc277ddb9a23486e9d8b5bf7fedf6c18c118e7c67450fcd6e2141d6d50b8f5832

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
SignatureeTBhPrSOsT1Osp6KtKDEg9eY9ANdhN+Gc2k2XXHatDAW95zGVQgInddELqCKvbsyfEbP3NoDUBsQXKPZYvOjCg==
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

2026-09-17T11:05:42.823819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047809
observed 9dd74ceb27e4f57fd6da439c057475ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.803853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047809/manifest.json
observed c277ddb9a23486e9d8b5bf7fedf6c18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.784803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047809/publication.md
observed 2ab1a45bc5c9e123589669b0b3d98a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.766847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047809/publication.txt
observed 802f42adf0be7e68520305a3c77922eb...
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.