OpenTechnical

OT-2026-000089836

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000089836) never changes.

Identity and time

Publication numberOT-2026-000089836 · never reused
Internal UUID01a0ae9c-428d-7e36-87fc-8de058fe2940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089836
StatusPUBLIC

Content hashes

Canonical text9ef08533f1b9f8f6e763ca3a610dd6f17bcf8f288353a8e2a59768d7ea345dca
Markdown8e0dc37eacbf5928608121b3240a26ecb06c3bab876e5049744af884f467fcc0
PDF
Publication page80411ba5a9e488f789bdb6c6e56de57e8de3985fb187517d9cf54c079ea0d306
Manifest16b7a1350c415e7adb4eb5e175ec83352e0ed05ea1fa6ab5e5c27475e505a5be

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
SignatureJ1Qa72MXPvOezrQQwmQRsXseUVkT5XoZlxHFuQvoA2S17o3Shc8ck3PIff7oHKXz+gHpJ7MF4xOPIkbU8ENqBg==
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

2026-09-17T09:45:04.617834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089836
observed 80411ba5a9e488f789bdb6c6e56de57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.599018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089836/manifest.json
observed 16b7a1350c415e7adb4eb5e175ec8335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.582550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089836/publication.md
observed 8e0dc37eacbf5928608121b3240a26ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.564648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089836/publication.txt
observed 9ef08533f1b9f8f6e763ca3a610dd6f1...
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.