OpenTechnical

OT-2026-000015560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000015560) never changes.

Identity and time

Publication numberOT-2026-000015560 · never reused
Internal UUID01a0ae6d-ef4b-7656-98a8-502425f41b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015560
StatusPUBLIC

Content hashes

Canonical text43d8bcf7afa637923eb8ab4ee62f322d9885e9c0ac83e2f76036facdae1a5fe0
Markdown75ece774d1a47a7876f343e8493490870cd9215a73a8cd626a5c528ac3f29cc5
PDF
Publication page834b51455ae60f07331c997dfd2a700d571677dfda732d8f091bb5cb458b098e
Manifest73504db2e924bd70b7a2859343b6e071b555cb62c77ca1fede24a90aa1942600

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
SignatureZ8yk5i3M6zktAJ89PdjI9RKsEHFEDBwxp53QIiGIiQWCcZT/iGHCKobXTEy8OF49IAq7luv9ARZ5qjVNb07ZBQ==
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

2026-09-17T12:06:20.920302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015560
observed 834b51455ae60f07331c997dfd2a700d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.900545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015560/manifest.json
observed 73504db2e924bd70b7a2859343b6e071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.881256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015560/publication.md
observed 75ece774d1a47a7876f343e849349087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.863924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015560/publication.txt
observed 43d8bcf7afa637923eb8ab4ee62f322d...
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.