OpenTechnical

OT-2026-000062390

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000062390) never changes.

Identity and time

Publication numberOT-2026-000062390 · never reused
Internal UUID01a0ae8c-0abf-7bd9-b95b-9d15c7363c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062390
StatusPUBLIC

Content hashes

Canonical textd86901ae31ef498c42f36cc5e436f077bc815dac4f7ef9a49ce0633f74516fb2
Markdown0f21f4e11dbd9c7ed261fc485d77135cf2068c4f838e8c8a128749e99b11bc69
PDF
Publication page6f28b2c7cfb3547f78e227206525167c9f3d25593b292c38e5282e0346ec26f5
Manifest6efb6826e1b4dfa8ee3fa828df92313f90f3e6a1ed9ac46ea8e9fb50caffd866

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
SignatureK9KI2r+hsGcxaYVo76SleAhxbmdFEtsnmqfAJAWQ1p+M8FkbN4ZT6FYFqsx35g8xz/rFGQPLxRyM5WXiGkISDQ==
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

2026-09-17T10:39:42.813566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062390
observed 6f28b2c7cfb3547f78e227206525167c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.794101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062390/manifest.json
observed 6efb6826e1b4dfa8ee3fa828df92313f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.774676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062390/publication.md
observed 0f21f4e11dbd9c7ed261fc485d77135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.756003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062390/publication.txt
observed d86901ae31ef498c42f36cc5e436f077...
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.