OpenTechnical

OT-2026-000047816

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000047816) never changes.

Identity and time

Publication numberOT-2026-000047816 · never reused
Internal UUID01a0ae7f-c420-7be0-aeda-bf0d74dca2b4 · 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-2026-000047816
StatusPUBLIC

Content hashes

Canonical textb7ec29d53fc1c165592e6621c6a10eb41907b84e128c05fee0c4bcdcd0e6bac0
Markdownc59ba2fe72066fd49a57797f897b3ca584ae5b65819a3c10d4bff8d2b5208568
PDF
Publication page428cd27dcd15a4cade3b1a5b8377a50ee61b3c3e59dadf07442562ea90e8a6cc
Manifest62e9650618a747c9f252e29748a470901746fd0d9269a3fa8534e4cad03ead9c

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
SignaturetsV9T8ASCODwXKPbREVdWDOJs8+Fg0SBNEOaEzQajiVQnZqGigOTAfibwfIPkcLluwliDn0kY9hFO8wfNZB5BA==
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

2026-09-17T11:05:43.373770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047816
observed 428cd27dcd15a4cade3b1a5b8377a50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.354184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047816/manifest.json
observed 62e9650618a747c9f252e29748a47090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.333582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047816/publication.md
observed c59ba2fe72066fd49a57797f897b3ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.316341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047816/publication.txt
observed b7ec29d53fc1c165592e6621c6a10eb4...
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.