OpenTechnical

OT-2026-000103081

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000103081) never changes.

Identity and time

Publication numberOT-2026-000103081 · never reused
Internal UUID01a0aea4-be3d-7ca0-90a7-00c24f860d9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103081
StatusPUBLIC

Content hashes

Canonical text58bcd57c402021ca3f7f4173b0d63699b1f1fe77e3d1eea0206283fd8ffe000e
Markdownc361a7d998d9b2d1f415f8ad980fdc476e35d5b957d03b946d0cc1dc25a280f1
PDF
Publication page03f022769535591139611c72f5cb6c7e30d316155d8be7770e996d1efe95251c
Manifestd3d40d3c8c1b03e6e60be858a0bc1a52e915e05f836b57a0041405b72280f068

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
Signature0OugWltkcmy39wEBg0i52pzK20FNw76u3wlWwKwegznkn2bKl1tanCIFcFMYYI5NMQG1edECXF3KskHjBb9aDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:12.464622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103081
observed 03f022769535591139611c72f5cb6c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.447768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103081/manifest.json
observed d3d40d3c8c1b03e6e60be858a0bc1a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.429592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103081/publication.md
observed c361a7d998d9b2d1f415f8ad980fdc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.412801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103081/publication.txt
observed 58bcd57c402021ca3f7f4173b0d63699...
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.