OpenTechnical

OT-2026-000062425

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000062425) never changes.

Identity and time

Publication numberOT-2026-000062425 · never reused
Internal UUID01a0ae8c-0abf-700e-b8e4-7d398110449f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062425
StatusPUBLIC

Content hashes

Canonical text1cb0f1c4cc964d41b838cf974f112cf5c0d8bc2b927166cae5792215d27fe648
Markdown6afefa7fa1d5dbb5f7aacf90731c8bb89f26702532e8640f9a9f7933244e9e51
PDF
Publication pageae73673959781fb5b372223ee0e0e4967611daf839d697a9e0e2b852d570a165
Manifest2fcc9174cd5c0326970b0b7fa66c1ea4b701797d05766014e41ccf7d13297cec

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
SignaturerOxBGFsdaypqLtr2NFWSuA7RTDcyFtfCOgHlyadk6AEBfgEdE2Tl9gnQnCX+4aHmLUGfHHR2qmxsl0EZxu6mBg==
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

2026-09-17T10:39:45.646787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062425
observed ae73673959781fb5b372223ee0e0e496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.627648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062425/manifest.json
observed 2fcc9174cd5c0326970b0b7fa66c1ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.607470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062425/publication.md
observed 6afefa7fa1d5dbb5f7aacf90731c8bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.588719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062425/publication.txt
observed 1cb0f1c4cc964d41b838cf974f112cf5...
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.