OpenTechnical

OT-2026-000020590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020590) never changes.

Identity and time

Publication numberOT-2026-000020590 · never reused
Internal UUID01a0ae6f-437c-72e2-9b1a-b07d21b0b629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020590
StatusPUBLIC

Content hashes

Canonical textf1f33ea6e065dda3f4759773726ea1912dc0f04b0a5b8d94701937cf80cb9560
Markdown3c7c3317172504b06011f28344eb829d8457c57f5ea696532cbc019f2a609942
PDF
Publication page9c7a24066b816b0f527fff9fc183c88fd30ab7b35f9cf9c3f1d38b90ef14a22c
Manifesta15886eaaa0e3bc0331fa49b209c0a9e10a63fae861dc622085070f753de0816

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
Signature2RZjIRF9saiuR8J6gsaYUIbC4V9bN42W44MZapunAjZZYg7y1aIibeOft7QOciyUBjnYK7irZCJnCwWKPnAuDw==
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

2026-09-17T12:00:43.556387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590
observed 9c7a24066b816b0f527fff9fc183c88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.538569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/manifest.json
observed a15886eaaa0e3bc0331fa49b209c0a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.520401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/publication.md
observed 3c7c3317172504b06011f28344eb829d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.502770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/publication.txt
observed f1f33ea6e065dda3f4759773726ea191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.833526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590
observed 9c7a24066b816b0f527fff9fc183c88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.816131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/manifest.json
observed a15886eaaa0e3bc0331fa49b209c0a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.797401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/publication.md
observed 3c7c3317172504b06011f28344eb829d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.777920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020590/publication.txt
observed f1f33ea6e065dda3f4759773726ea191...
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.