OpenTechnical

OT-2026-000101038

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000101038) never changes.

Identity and time

Publication numberOT-2026-000101038 · never reused
Internal UUID01a0aea3-c377-70bc-bc03-eb288eab9202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101038
StatusPUBLIC

Content hashes

Canonical text31bff9971583a925db80569c58cb9e4c3841b00778575f10dbec1961f13c33d9
Markdownece9d03ef6e3fc472c1c6fa6508ab584066041bad30e6210f123b9c931e1c54b
PDF
Publication page9a97591371c49890417d2f9a081cddf9af9dad9bb9953c95c89b4a54b6f08882
Manifestbe3b7908ef4df952872563e3c9faf6e479592b82b82fcfac710ac4872d89347d

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
SignatureAwC8G9hCXQc8S7nFZKJhN8GXzTOm3dpqQ7pfnyiCI3KBkIii+9X2HmjP3j3ZhFjjCANnCdpsVk/0jy4usNPYBA==
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

2026-09-17T09:26:38.766810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101038
observed 9a97591371c49890417d2f9a081cddf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.747811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101038/manifest.json
observed be3b7908ef4df952872563e3c9faf6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.730275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101038/publication.md
observed ece9d03ef6e3fc472c1c6fa6508ab584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.712801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101038/publication.txt
observed 31bff9971583a925db80569c58cb9e4c...
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.