OpenTechnical

OT-2026-000083038

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000083038) never changes.

Identity and time

Publication numberOT-2026-000083038 · never reused
Internal UUID01a0ae97-c961-79bb-9bfb-ecef958906ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083038
StatusPUBLIC

Content hashes

Canonical text19476d0187d99c410e8b9acbd03c37acfadc6cb69c9cdbde96f9f803a8acdb94
Markdowna82cee742b13a3b6236d2b6453a75d971504049b1be43894e738f5f17bad4c61
PDF
Publication pageb9d5f393701957e603e60bfbf624b384da7a9e63f926f284b726467b8cb2f218
Manifesta3457dc0f365ed4867b2aa498e7943e98558a423bbfe2be73d6a723ed2257270

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
Signature7oYlPyxG0r4n29gJXxczd3tFyGg3DTTSh7+whZ450b1ybDVtchsQyrAnERfwWvOruLdNXLuCTPah6sW/Y0UkCg==
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

2026-09-17T09:00:23.341470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083038
observed b9d5f393701957e603e60bfbf624b384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:23.321840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083038/manifest.json
observed a3457dc0f365ed4867b2aa498e7943e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:23.180697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083038/publication.md
observed a82cee742b13a3b6236d2b6453a75d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.424802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083038/publication.txt
observed 19476d0187d99c410e8b9acbd03c37ac...
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.