OpenTechnical

OT-2026-000089606

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089606) never changes.

Identity and time

Publication numberOT-2026-000089606 · never reused
Internal UUID01a0ae9c-1a21-7060-a5c3-066acaaa6fcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089606
StatusPUBLIC

Content hashes

Canonical textfd87e410488e869dfeccf83a9991e57f6f2fb2a7a7de5d8ed96a35371761e463
Markdown0319693a49d702fb548e0657f8ee53ca3195d32f437b7bfcaabbe0761a92f02d
PDF
Publication page4aa7242ae1bfb0dd72e0c08db981811cb045748ebd65334360dc31c7c21cb638
Manifest12afd0173725939ef7ad963b6bb8da73326827e3a73c8245763d63d781a89e10

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
Signature6AqqPkEIikdZh2RH/b6+Q9NG3w1z+PiFF/cFbnj7RprvkBmcYUz/KekU1WyOZM5DgeoRzlCKAE+r+/NyIEw2BQ==
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

2026-09-17T09:46:35.169662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089606
observed 4aa7242ae1bfb0dd72e0c08db981811c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.152297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089606/manifest.json
observed 12afd0173725939ef7ad963b6bb8da73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.133842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089606/publication.md
observed 0319693a49d702fb548e0657f8ee53ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.116549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089606/publication.txt
observed fd87e410488e869dfeccf83a9991e57f...
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.