OpenTechnical

OT-2026-000070561

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000070561) never changes.

Identity and time

Publication numberOT-2026-000070561 · never reused
Internal UUID01a0ae91-5460-7563-9b73-c0c2ebe69c7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070561
StatusPUBLIC

Content hashes

Canonical text902e6fc1662ded072363613b0359889ff72ee56a092d93837afe8fb8ef6788e6
Markdown2e0eb9bb03114c0e1bef1f37e2660133300720808e28a0ec1ad7b3ff97020d8c
PDF
Publication page5855f00150a3962502cd63f4394458b8f4b15d7f354a19af32d8506fbf0d98a9
Manifestc458f479bdeeb32ede9cab1ac9d81434067000488717ed455870fe56b069a3e3

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
SignatureTULecc7DN/7Qw2yDUcEU8IywMvwiOwWeJKZzKHzGwIzOyJYCkLdsAh9w4JEHBAj0WhOc2teU5jUDofTundsECg==
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

2026-09-17T10:26:24.696881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070561
observed 5855f00150a3962502cd63f4394458b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.680123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070561/manifest.json
observed c458f479bdeeb32ede9cab1ac9d81434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.663595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070561/publication.md
observed 2e0eb9bb03114c0e1bef1f37e2660133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.647873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070561/publication.txt
observed 902e6fc1662ded072363613b0359889f...
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.