OpenTechnical

OT-2026-000088629

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000088629) never changes.

Identity and time

Publication numberOT-2026-000088629 · never reused
Internal UUID01a0ae9b-8f0f-7e40-95d3-b3826ccce389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088629
StatusPUBLIC

Content hashes

Canonical text4f6b98bb601e347fd9630d32649ec7226b145c34248bfd061c2cc0be88135c89
Markdown49a2a9392f4c32c3f3e969a69495e1f9cbef0449c9db613d61d9ca5398f0b666
PDF
Publication page380df6c8f4a76144ba1dd8fcddda654093d57e522e09a396499c19ab85a97326
Manifest032c9a629ca1b4f89e2a8f20cfa8717912803e073f7733f18ec535cb20d1bff9

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
SignatureYRwOGCMiuEspUjw7/WunBywfw+Y4yl6MQwlIZV6Dtk7bo6NuLke5N7TitI5t0TJWBtmt6VgA4wdcYg8SB0F8Bg==
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

2026-09-17T09:47:44.101641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088629
observed 380df6c8f4a76144ba1dd8fcddda6540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.082387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088629/manifest.json
observed 032c9a629ca1b4f89e2a8f20cfa87179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.063672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088629/publication.md
observed 49a2a9392f4c32c3f3e969a69495e1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.006054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088629/publication.txt
observed 4f6b98bb601e347fd9630d32649ec722...
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.