OpenTechnical

OT-2026-000062875

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000062875) never changes.

Identity and time

Publication numberOT-2026-000062875 · never reused
Internal UUID01a0ae8c-94a8-78dc-ba52-4206226982b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062875
StatusPUBLIC

Content hashes

Canonical text742d3fd5d6e78f4291abdaaf2f614880c7fe24432330b6cfd37ce72dbccf6325
Markdown21a15045f43cfa0230746d10ab6d83ff2ef3d63b2d30371bf41c7f38c306ff36
PDF
Publication page97e0281e5d349154796916ea45c1311096de8a450621fa1ec646385d58ba2a09
Manifest705788f406e07de3e643b0d9c2ffe4a6b17065bf847d514b46f6069ec5c23820

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
Signaturem6mBRdeJ3kW4SOt/BKDujfan4TvSXOrqeiL/TdpwFPICg0Bbam55M34vk+OuQHvLlsMhkE0X/KoAMxaDuNl8AQ==
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

2026-09-17T10:40:14.008458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875
observed 97e0281e5d349154796916ea45c13110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.988683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/manifest.json
observed 705788f406e07de3e643b0d9c2ffe4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.964049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/publication.md
observed 21a15045f43cfa0230746d10ab6d83ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.940880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/publication.txt
observed 742d3fd5d6e78f4291abdaaf2f614880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.648542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875
observed 97e0281e5d349154796916ea45c13110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.630964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/manifest.json
observed 705788f406e07de3e643b0d9c2ffe4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.614364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/publication.md
observed 21a15045f43cfa0230746d10ab6d83ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.597427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062875/publication.txt
observed 742d3fd5d6e78f4291abdaaf2f614880...
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.