OpenTechnical

OT-2026-000047764

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000047764) never changes.

Identity and time

Publication numberOT-2026-000047764 · never reused
Internal UUID01a0ae7f-c420-70bd-a8df-835fc961bcfb · 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-2026-000047764
StatusPUBLIC

Content hashes

Canonical textbfc5b593508940cf55f8ec5d4f3b152873f9f753112c3245ec349d0328e98267
Markdown32ca22be698d0592b25a320d7f3288c2f1d1b91a453954c85a0a19a5bb859bad
PDF
Publication paged273a00dbfb654306d69ab777a15cdf13118d2584996cc748ece53d4f6ea4d36
Manifest98724232855318fc1e3f5cfc34d55f73f867aa90527aecfcba81448f5951b93e

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
SignaturedDjagykfEPaRAw/N+8xUlKn/rrPverLJgsX7APbcanjMUe0CFJbhKPQQhfO0eVtFaBa0c7q9ZHea9XcBtkvTAQ==
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

2026-09-17T11:05:39.199308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047764
observed d273a00dbfb654306d69ab777a15cdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.182165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047764/manifest.json
observed 98724232855318fc1e3f5cfc34d55f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.163930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047764/publication.md
observed 32ca22be698d0592b25a320d7f3288c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.143755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047764/publication.txt
observed bfc5b593508940cf55f8ec5d4f3b1528...
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.