OpenTechnical

OT-2026-000059852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000059852) never changes.

Identity and time

Publication numberOT-2026-000059852 · never reused
Internal UUID01a0ae89-ec25-784a-b0e8-fd80009d0f5b · 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-2026-000059852
StatusPUBLIC

Content hashes

Canonical text74bd55211f96ae489ce27ef8301295fcd35980cde4ae37cfec8cabc52ee7064e
Markdownc94ba89030e6a38b5ed2c1ab5621523739cbe2707f6aacf1286bd4c7199342b4
PDF
Publication page7e52ff38581af7ceebf47a4773724f77482f5fdf1ba051e0b56a9c1f9ab1081c
Manifestcb456b38fb42375106ee29b85ec83b7d3d23ac79617fcd92804349c502b0dc0c

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
Signature9XaWLUKbmc2iyqWlN++aZza4sLqXDLwJlODtpT6N/NO5g+IldIUFyT511svCe4FeGwJtLHFhuYMvg2Wxy5HAAQ==
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

2026-09-17T10:44:36.246113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059852
observed 7e52ff38581af7ceebf47a4773724f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.227869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059852/manifest.json
observed cb456b38fb42375106ee29b85ec83b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.208793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059852/publication.md
observed c94ba89030e6a38b5ed2c1ab56215237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.189998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059852/publication.txt
observed 74bd55211f96ae489ce27ef8301295fc...
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.