OpenTechnical

OT-2026-000064955

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064955) never changes.

Identity and time

Publication numberOT-2026-000064955 · never reused
Internal UUID01a0ae8d-debe-7c9c-a5c3-01aa3d5f7250 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064955
StatusPUBLIC

Content hashes

Canonical text151cce10451b74832eb867f4e33abc1bb88b7ce96383db091ddfdfef897cc7ad
Markdown8be5bc0a33a1abd5861a4b7603998ea0dca5093b7009676684e1ed0334901609
PDF
Publication page9ac1fd1110dc5aa41dbab6b46cb0d9a31a2bcded3e6e17e5071c473cf07b1174
Manifesteee7da99ca82d0fa00d81f0c009bd785dc2a3e04021ea9caa60d4066cf0401c1

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
SignaturewoJGDWz/m0uBog7sDZyKolK4dlT2kY/uzrRVQCVFdICxpBQLHcAQiRLkqnjEMIyyDzfX7WPMf/Jt4B0ZURrxDQ==
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

2026-09-17T10:35:53.851860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064955
observed 9ac1fd1110dc5aa41dbab6b46cb0d9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.834929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064955/manifest.json
observed eee7da99ca82d0fa00d81f0c009bd785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.815656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064955/publication.md
observed 8be5bc0a33a1abd5861a4b7603998ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.796123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064955/publication.txt
observed 151cce10451b74832eb867f4e33abc1b...
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.