OpenTechnical

OT-2026-000038450

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000038450) never changes.

Identity and time

Publication numberOT-2026-000038450 · never reused
Internal UUID01a0ae78-2d53-75cf-88d3-cbc01244fae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038450
StatusPUBLIC

Content hashes

Canonical text0fb20878d33f39e381e0f4908041196c85d173b84552b7a1205693a5e9137942
Markdown368cee028645de55a6b4e33da051a230c1317c325b1231060c82bb8162fc9df5
PDF
Publication page406643499bd5c3d0729039db4218a783088018c8aa6a8d3e1d697904ca63c99c
Manifest7e5a60b5681ec19206b10c6321b89e401495809efbc17af5975cf8feed349feb

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
SignatureaJPE46HKW5xS6gUjVYFxkIazASfoKN8GqYgZQSl4B3rgGuMdm30lnbRmLUAYHr0vOZ2pE1OkvhSFLoretr1xBA==
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

2026-09-17T11:22:40.861814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038450
observed 406643499bd5c3d0729039db4218a783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.843875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038450/manifest.json
observed 7e5a60b5681ec19206b10c6321b89e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.825518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038450/publication.md
observed 368cee028645de55a6b4e33da051a230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.807691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038450/publication.txt
observed 0fb20878d33f39e381e0f4908041196c...
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.