OpenTechnical

OT-2026-000026944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000026944) never changes.

Identity and time

Publication numberOT-2026-000026944 · never reused
Internal UUID01a0ae72-3452-7847-90fe-4fcfc1b0ff67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026944
StatusPUBLIC

Content hashes

Canonical text7cfd4e7fff28b69c66ff162995b6837067a1b80d34998fde9476fae6f03c7a46
Markdownb72627b4a6748a2879d1dd6306455c56141771be8dc630cb95933d226172fc74
PDF
Publication paged3edb9c2d6c2a6f36ed53331892d3b1383f19e5736f19d70c91b27c87db0ac9d
Manifest200264742faba177d422fa0e7c7b539c467d768a94f9fcb81964fdf994480e36

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
SignatureQTFGLH08ueB9jnWGPLMoGC4Xkis0PnI5/cGjcXTCqNvlLBHqLyo2v4eQrH7b6cNlEGoeKURtn1MlvIhSc7hKBQ==
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

2026-09-17T11:43:33.796864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026944
observed d3edb9c2d6c2a6f36ed53331892d3b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.780869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026944/manifest.json
observed 200264742faba177d422fa0e7c7b539c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.763005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026944/publication.md
observed b72627b4a6748a2879d1dd6306455c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.746753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026944/publication.txt
observed 7cfd4e7fff28b69c66ff162995b68370...
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.