OpenTechnical

OT-2026-000047979

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000047979) never changes.

Identity and time

Publication numberOT-2026-000047979 · never reused
Internal UUID01a0ae7f-c422-77bc-9356-bdf32b99a563 · 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-2026-000047979
StatusPUBLIC

Content hashes

Canonical text98a778ba9a032b2ee58c9c843d7c99a8d925247f40623e87688472b55ddc1f74
Markdown05cd0b05b6117236ae99aeef4fee512fcffe3334a04f53fd5f60d10bfdb1397e
PDF
Publication page040e0615c108aaa63a461c42203d588848b9b07cd52f786fbe7d9679e5810019
Manifest1ecbe7b13b046daf83e8332d0bf4f9e1fe0178808146c633159ea534174e9d57

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
SignatureeOaL+6MklpWHVJZ4zHJMd2B9Mz5I2clkgs/XPBLIX1+tG9Gl9ovGyRUSF29/zPbnfSEsdh4qM6GVyGNSrmUKCw==
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

2026-09-17T11:05:57.577333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047979
observed 040e0615c108aaa63a461c42203d5888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.556457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047979/manifest.json
observed 1ecbe7b13b046daf83e8332d0bf4f9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.537316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047979/publication.md
observed 05cd0b05b6117236ae99aeef4fee512f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.519585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047979/publication.txt
observed 98a778ba9a032b2ee58c9c843d7c99a8...
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.