OpenTechnical

OT-2026-000089796

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000089796) never changes.

Identity and time

Publication numberOT-2026-000089796 · never reused
Internal UUID01a0ae9c-1a23-716c-af10-ae9f6ec58376 · 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-2026-000089796
StatusPUBLIC

Content hashes

Canonical text80693890a29f6987b6f2b3ac55624dce17c03434965744b4985d1b65b3cb917a
Markdown8570831472381cc372905af3142682017ce3ce3c2ec023d59e9f0a3e1c41e494
PDF
Publication page5aee8a2c37ef2fbd3f10717d4aa5a0a151584d3bb14d21774abac7d0e11a76e0
Manifestdae2d02dcc1ed500301089aa0d145b8117cea4c2aafb73cc24f3cd0e7bf4aeba

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
Signature8XHDnd3U3u7hlmGCGE2LECg7mU+TOl0t/sXqR+wiYc/IXr4VCmIOdRCIKhnN5deER8mNk9WckLD0pUwz0gFqCA==
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

2026-09-17T09:46:53.260798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089796
observed 5aee8a2c37ef2fbd3f10717d4aa5a0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.244950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089796/manifest.json
observed dae2d02dcc1ed500301089aa0d145b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.227700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089796/publication.md
observed 8570831472381cc372905af314268201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.210689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089796/publication.txt
observed 80693890a29f6987b6f2b3ac55624dce...
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.