OpenTechnical

OT-2026-000064703

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000064703) never changes.

Identity and time

Publication numberOT-2026-000064703 · never reused
Internal UUID01a0ae8d-deb9-7cea-b0cf-e816062ea90e · 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-2026-000064703
StatusPUBLIC

Content hashes

Canonical text720238fccc3f59929a2e4ce51e21acc95a4c0c6d79367b4daf67f9fb46c13139
Markdownd2bc04e97570c7582d6528a91b859baad974de50d86d192cfcfe3e91d0fa9f91
PDF
Publication pagef00f16996a4ea9c885bad74651a73fb755317a4c801136e361d80de006a32811
Manifest93b58c0582d3a02613a7ab29dfbafd1b9cd771ca1673cbc31d8c74ad7e41781e

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
Signature8gnhfYdVYTCTJNXy2ACQtlr0aw8rW7TtdXqoUuMPq3kg1LGYFz9khlBQRbOF2ovfMB1ae8pB1c0f2H1ubRBmAg==
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

2026-09-17T10:35:34.409749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064703
observed f00f16996a4ea9c885bad74651a73fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.392722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064703/manifest.json
observed 93b58c0582d3a02613a7ab29dfbafd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.374748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064703/publication.md
observed d2bc04e97570c7582d6528a91b859baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.357384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064703/publication.txt
observed 720238fccc3f59929a2e4ce51e21acc9...
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.