OpenTechnical

OT-2026-000029281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000029281) never changes.

Identity and time

Publication numberOT-2026-000029281 · never reused
Internal UUID01a0ae73-2aa1-7075-adb1-898b82c3c73e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029281
StatusPUBLIC

Content hashes

Canonical textdc5ed864478a4562abffa058b3d458ac872d87f11aef5bfe28dae5bf20f67099
Markdown3909ba535ff2e37ab73b4589a99bedb0741ef7dd51f780f1fe1329a62d3eecea
PDF
Publication page5cb16d3a8c7f706100d61f01c356b4a1c50e84debd171de46ded253722b5d7cf
Manifest14571884abb4857898ea9412a6de5ca795d679848ca6ca1a1d247674d0f4504c

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
Signatureb5jMigNRhRbJCfVD+VU4915c3tNkrIzuX+thdCRejePmgD/b+BecEaNr10QRmD/4J5/2/6vMA1ymsGC9oWg2Cw==
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

2026-09-17T11:39:54.926254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029281
observed 5cb16d3a8c7f706100d61f01c356b4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.909299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029281/manifest.json
observed 14571884abb4857898ea9412a6de5ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.892672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029281/publication.md
observed 3909ba535ff2e37ab73b4589a99bedb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.877192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029281/publication.txt
observed dc5ed864478a4562abffa058b3d458ac...
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.