OpenTechnical

OT-2026-000061966

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000061966) never changes.

Identity and time

Publication numberOT-2026-000061966 · never reused
Internal UUID01a0ae8b-b8ad-7eb4-87c7-86e7c7e0cf68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061966
StatusPUBLIC

Content hashes

Canonical text2809deadd9cd7ebf0ba15aa2524e16c65d906bfb744892af05d9dacbeeb5c4f9
Markdown3f812174c14a07475fe3e3922fd6baa4cd3d32d195817ff43457be32467852fb
PDF
Publication pageb2dab1d32c44f3efd08acf7c820969992433727a3807e695a9bd56ca46db76db
Manifest931745dfe751670d31ac86e9f735d42265502f7124662b0748d65d470705a98c

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
SignaturePHR2rD6G3J1KsTilvwhvjQ5//0vrd1+pnebNlmEDH//w/h1Bidyk7/OAiN6+WwHJYrVSMaB6Os3OAWLr/jZpBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:52.813864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061966
observed b2dab1d32c44f3efd08acf7c82096999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.783469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061966/manifest.json
observed 931745dfe751670d31ac86e9f735d422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.755005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061966/publication.md
observed 3f812174c14a07475fe3e3922fd6baa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.728698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061966/publication.txt
observed 2809deadd9cd7ebf0ba15aa2524e16c6...
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.