OpenTechnical

OT-2026-000047863

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000047863) never changes.

Identity and time

Publication numberOT-2026-000047863 · never reused
Internal UUID01a0ae7f-c421-74b9-9e44-6c4fb7b7beb8 · 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-2026-000047863
StatusPUBLIC

Content hashes

Canonical text0f9358121b4c002f0b4b9b9159a2b88d62410004234ba0bed781fab857247ef6
Markdownf6ad846c0ab01ef23d7da5359894707258db188933d7d1e4744f13d09972810f
PDF
Publication page1221c5dba8ea4e79248fcb29d5d039d7c7b4072dcc2d64e1a3112d4bb74e2b83
Manifestba3e79e5282da18bd3f60d37d48a13c68b232dbcef33e83f19b74f0763548590

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
SignatureQ/KrMxrNgTmBY27j9lSsjLNruTu2W55yttIZTR+S29qixscHQvfw7fP2WObgUKRcFLG4nfCLLjv+Hiv+5wWEBA==
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

2026-09-17T11:05:47.273588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047863
observed 1221c5dba8ea4e79248fcb29d5d039d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.254700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047863/manifest.json
observed ba3e79e5282da18bd3f60d37d48a13c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.234805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047863/publication.md
observed f6ad846c0ab01ef23d7da53598947072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.216837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047863/publication.txt
observed 0f9358121b4c002f0b4b9b9159a2b88d...
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.