OpenTechnical

OT-2026-000052983

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000052983) never changes.

Identity and time

Publication numberOT-2026-000052983 · never reused
Internal UUID01a0ae84-a430-75ba-870c-4d1d7ff8c092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052983
StatusPUBLIC

Content hashes

Canonical texte08313f42d4a2c0834e26391ef05627a90d7eabc8d2aa3783dee6f0b7b2373aa
Markdown7b2da0ff09d3d1425e5179acba34b86d1b59b60578627d44a4018eef24ac1712
PDF
Publication pagefa6b2123d82d59f06894b3fee554c3d1118871daddda4bae52a14083adbe6362
Manifestb97944b4dcc2c12d4e9bd6cf74a4b2363d3eb4a68b2089c73e6f873bf7409b5a

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
Signatures/l7UjWX/Ge6IcgXFMrivFtMUk6bOrYBm/DnFgptdjdQQ1i1Fx442iNY5z3W/thA5HkhC69aWx1Nu1BJCxt5Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:40.409439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052983
observed fa6b2123d82d59f06894b3fee554c3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.391334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052983/manifest.json
observed b97944b4dcc2c12d4e9bd6cf74a4b236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.373406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052983/publication.md
observed 7b2da0ff09d3d1425e5179acba34b86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.353298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052983/publication.txt
observed e08313f42d4a2c0834e26391ef05627a...
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.