OpenTechnical

OT-2026-000029189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000029189) never changes.

Identity and time

Publication numberOT-2026-000029189 · never reused
Internal UUID01a0ae73-2aa0-7f34-9597-f45e5635ba25 · 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-2026-000029189
StatusPUBLIC

Content hashes

Canonical text51130812c26de7cbc8fb53335afc47e11cc1bdefa2798fb9d7a00863b9c16add
Markdown28e5f29affc9b4a4d221107f43bbea6bf96ef503fb296bbe087df07551e03aa1
PDF
Publication page30f230787abbcc56126c7579d9e46c8c6f3b65517cb4d5d14b0af61b337417e4
Manifest1fc577a3bd5b56b023fbbf0a85b87efcf6c180084bade00bcff0d079200442e6

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
Signatureu/krf98Z0/wsLxJw0kVmTZ3PbtRlvLYuClwMDmAP1m7uqyaNpMLJR8ItMcgtP10p3Zbav/lY0zB2Qpn5a5FwAg==
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

2026-09-17T11:39:41.433305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029189
observed 30f230787abbcc56126c7579d9e46c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.410079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029189/manifest.json
observed 1fc577a3bd5b56b023fbbf0a85b87efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.390544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029189/publication.md
observed 28e5f29affc9b4a4d221107f43bbea6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.366720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029189/publication.txt
observed 51130812c26de7cbc8fb53335afc47e1...
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.