OpenTechnical

OT-2026-000047859

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, 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-2026-000047859) never changes.

Identity and time

Publication numberOT-2026-000047859 · never reused
Internal UUID01a0ae7f-c421-7235-9065-7618a11a2986 · 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-2026-000047859
StatusPUBLIC

Content hashes

Canonical textc6f1f695614e2dccad00dc763cc81123343962a5988683787a548c774c9d1f85
Markdowne0fdf79c82f58d40e2addbccd30a12c50bb0fce68f3fa8c70ef981c6a8eaf8f1
PDF
Publication pagee694a6877ec56eaf66fec7be5c89f8e300ffd9a225cc1eb25f47dbd7a28d20c3
Manifestc04cdbc1f4c133b2118c138ea6b2d108960bfd1cfaa183b6b4be29dfeac773d7

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
SignatureNLuE6OM39UyGGTnt/1tsXowY/aliAK5gTKGAn3RjpCJiFLkCwzAnphu2pvQ/l9PhensYcaREGE9L10MKfgH/AA==
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

2026-09-17T11:05:46.962187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047859
observed e694a6877ec56eaf66fec7be5c89f8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.944053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047859/manifest.json
observed c04cdbc1f4c133b2118c138ea6b2d108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.925701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047859/publication.md
observed e0fdf79c82f58d40e2addbccd30a12c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.908372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047859/publication.txt
observed c6f1f695614e2dccad00dc763cc81123...
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.