OpenTechnical

OT-2026-000023419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000023419) never changes.

Identity and time

Publication numberOT-2026-000023419 · never reused
Internal UUID01a0ae70-7268-758b-a057-76041e50f453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023419
StatusPUBLIC

Content hashes

Canonical text9bfcd429e168b005583d6862b64968e746b974442afe625ef27934242d9bb3b7
Markdowna6031c1d3314e4745b527b078626c2a9e8f07b8f2a9e34861cc08e9241d1e001
PDF
Publication page0dce82a8b3f904cfadd2bc3871f22858d519dc39a0b941ef688d68b1121d4db3
Manifesta27f3324c3d48caf455b80c7c3e006349f1c7ac8adef647afe4c87933d8275ac

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
SignatureArvcs7TzH20JfOHCLusXFCJxIJ+CLxCdlayLPnQ+R75/rVvwA/+jHmGTWtQnrtfAUXtYM6virIJbO5PL5Z2nCA==
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

2026-09-17T11:51:37.666950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023419
observed 0dce82a8b3f904cfadd2bc3871f22858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.651746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023419/manifest.json
observed a27f3324c3d48caf455b80c7c3e00634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.633392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023419/publication.md
observed a6031c1d3314e4745b527b078626c2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.617630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023419/publication.txt
observed 9bfcd429e168b005583d6862b64968e7...
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.