OpenTechnical

OT-2026-000059552

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000059552) never changes.

Identity and time

Publication numberOT-2026-000059552 · never reused
Internal UUID01a0ae89-ec23-7305-a0ef-16c6fff736db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059552
StatusPUBLIC

Content hashes

Canonical text7758c01fccaaa0165c558cc9ff594fe93fdc088c09c24743c71d0944b347f393
Markdown2af952c72a09067a607d649147a250de313f7623b4c2afe3dc7e7ef528facbd8
PDF
Publication pagec5814e79e2282d9175e167b8d56620b752ab646490b86532ddba11dcfbe75b21
Manifestf3b8801ff755ba9810d347adf60b2879aaeddc5668dc7cb190a22a0b4520a3c6

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
SignatureKQsD8AouVIuBlnlgcpnM0+wd4wEaPHOkeG+ArH43QobM/EO/0E/D/dkD9yJp4LENPEDY12TuXehg2fVWrYNVDw==
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...

Independent retrieval

2026-09-17T10:44:11.566725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059552
observed c5814e79e2282d9175e167b8d56620b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.546803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059552/manifest.json
observed f3b8801ff755ba9810d347adf60b2879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.525934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059552/publication.md
observed 2af952c72a09067a607d649147a250de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.503472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059552/publication.txt
observed 7758c01fccaaa0165c558cc9ff594fe9...
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.