OpenTechnical

OT-2026-000076578

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000076578) never changes.

Identity and time

Publication numberOT-2026-000076578 · never reused
Internal UUID01a0ae94-b06e-747e-b4b3-25d0a5424b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076578
StatusPUBLIC

Content hashes

Canonical text9c346f69edf0c078a54f5df9fdba46184230492b7fa42dd298aa93927897ced2
Markdown9b85e5b11aa74e7fe12b9009baa5235cbd5f884c10f51f1ac0629281b06694fe
PDF
Publication page8cb6566fe6affc1709ddb3434c91bd1f06a7c2b77504308fb884188ca3fcff51
Manifest4359f494fbb52657d0f75601170dda4eafc29dd19047c8ec5bcc7156f1719486

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
Signature/WNpRJ6tASgEx6DiXIkN6BgSmrIypIrsuP2Q2ORx7mTgvuQZIkVH18p90gFzjdTJUDtMP2dym2xu3CWMav7PDw==
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

2026-09-17T10:09:17.980687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076578
observed 8cb6566fe6affc1709ddb3434c91bd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.961421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076578/manifest.json
observed 4359f494fbb52657d0f75601170dda4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.941720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076578/publication.md
observed 9b85e5b11aa74e7fe12b9009baa5235c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.921669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076578/publication.txt
observed 9c346f69edf0c078a54f5df9fdba4618...
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.