OpenTechnical

OT-2026-000075002

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075002) never changes.

Identity and time

Publication numberOT-2026-000075002 · never reused
Internal UUID01a0ae93-ac2d-7591-834e-0b90121c8080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075002
StatusPUBLIC

Content hashes

Canonical text5a1127aaa3e9c8d25188dbf7aa0e69420a3dff9019a257161d3367411cac4444
Markdowndcbb33af9a03d46031c7cf409c185032317c81ff2b84b6ec8e517aeaaea1e660
PDF
Publication pagef798adafd4cddcdf8969032ed375a3735cf10f73c5512ee50793e445f1731bca
Manifest579db0c249954688eb6db43384086bd25cf3aefc9bc2f0b65974d0e9672ac761

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
SignatureW6fnUJioc2xc1HMDjzqkhUXs9c9SV5/tjvPGBOsgFNcz72HKnZo6SP3lcF/Klt2WfayD4XDxIBa5nqYQprd8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:48.654341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075002
observed f798adafd4cddcdf8969032ed375a373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.636791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075002/manifest.json
observed 579db0c249954688eb6db43384086bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.619563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075002/publication.md
observed dcbb33af9a03d46031c7cf409c185032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.602368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075002/publication.txt
observed 5a1127aaa3e9c8d25188dbf7aa0e6942...
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.