OpenTechnical

OT-2026-000034138

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000034138) never changes.

Identity and time

Publication numberOT-2026-000034138 · never reused
Internal UUID01a0ae75-df0c-75d2-bf12-c6244b7a4ea4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034138
StatusPUBLIC

Content hashes

Canonical textaf8db368c42da1fe10e13ffa9adef29443953340f6e8f22b7a8b027c4a2b71d8
Markdown143a8183b5149631fb8e031211d1219cbb6fa90ec03bef5e64bc467568b9f197
PDF
Publication page940c005ed6dec36a3cd1c9661dc221bceb47d57db0ee65a73af0faf154a07a39
Manifestde2b5486c0c0679cfa58ba178325ce7c19bd2cf9097fbd8ea18622a399c04743

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
Signature0lyQijmPJjqWlqHJ4p1tTI5moNLudUuhknt7y+5RGtfWrEyqM2ZlagYogva1KEEmWbqH8a0zn6pcqd8VhzhHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.025440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034138
observed 940c005ed6dec36a3cd1c9661dc221bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.007255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034138/manifest.json
observed de2b5486c0c0679cfa58ba178325ce7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.988416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034138/publication.md
observed 143a8183b5149631fb8e031211d1219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.970740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034138/publication.txt
observed af8db368c42da1fe10e13ffa9adef294...
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.