OpenTechnical

OT-2026-000051167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000051167) never changes.

Identity and time

Publication numberOT-2026-000051167 · never reused
Internal UUID01a0ae83-273f-7c2f-92c9-9fe6d0cd5691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051167
StatusPUBLIC

Content hashes

Canonical textcdadb5e85f52993ab2679037016131438fcd8c15fc79bdbb5c813d7fbb34dd80
Markdowna544ffe8fb7576552ec4b3395bc974f6e3d60e76f6625c64755570dbfd468574
PDF
Publication pagec60190ba26e0d47741017b98e46a8829df83a360b17a8dd1625f346a9317813a
Manifest545d1956f92efc00af31763f795027bd0de2017d39dbabd2457ee3cac943ca37

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
SignatureiCdxHohZGrA3WZNjs9klXxVl8+uNoSLWPTrDFnd+89SdVK1aWt3ovMzfhM5ekw/uLJG5bM1Vxuy7KYuk+GH1BQ==
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

2026-09-17T10:58:56.105560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051167
observed c60190ba26e0d47741017b98e46a8829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.086992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051167/manifest.json
observed 545d1956f92efc00af31763f795027bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.068989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051167/publication.md
observed a544ffe8fb7576552ec4b3395bc974f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.050437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051167/publication.txt
observed cdadb5e85f52993ab267903701613143...
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.