OpenTechnical

OT-2026-000093588

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093588) never changes.

Identity and time

Publication numberOT-2026-000093588 · never reused
Internal UUID01a0ae9e-508b-7e04-8b6a-a7a01bed2153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093588
StatusPUBLIC

Content hashes

Canonical text6af0b2244208305db35d35d53f12cf7634d7e8821c7104dfea2ae5767e08f4ae
Markdownc427899d8f801ffb10278c60cee0c677d39c60eb4fb6c822d111e6ff869d7bff
PDF
Publication page1ffb4a26a9f9d1396a02269f8301d062d70d86c04d5fb49db107c029ea5d9c8b
Manifestc8182b3ea840d95cb30578ea7d1cae44ab4011623d07e23bb125b614d384b3c2

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
SignatureiI4U64qrStJLA4jDbmEBLolbQzuHBgfv8kRKgZxQArxW5VcUZJQjCUIHYj39kbWfZu3aZoM9000bOpvxS9U1CA==
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

2026-09-17T09:39:37.562890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093588
observed 1ffb4a26a9f9d1396a02269f8301d062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.544216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093588/manifest.json
observed c8182b3ea840d95cb30578ea7d1cae44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.524181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093588/publication.md
observed c427899d8f801ffb10278c60cee0c677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.505107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093588/publication.txt
observed 6af0b2244208305db35d35d53f12cf76...
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.