OpenTechnical

OT-2026-000022769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000022769) never changes.

Identity and time

Publication numberOT-2026-000022769 · never reused
Internal UUID01a0ae70-46ea-7e76-82ca-a2cd57d61698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022769
StatusPUBLIC

Content hashes

Canonical text138a027e53a8e3339b900da15775e0cc7cd65e67cc2b18302e1e924bfac4a316
Markdown73ad497b58282b6f40cd65f24a621b543af9fba93cb44e77321918dadf785744
PDF
Publication page46a660b6cb47a177dd5617cc2abc8be25f47f46d1300480af0a4e7bc047fcc01
Manifestf27196f3dbbcd1fafc36d9efa58e4a164441741a420209d95c4d79de5ca15a6b

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
Signature5VuBBknRXZ+p79JkU6lmnq6nSV2Cc1crtY4ra8GWVEtpooLS7TQQ3p+i0u/NUFwdMbAoRizPdvOnZ0zXFKzkAA==
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

2026-09-17T11:52:17.032025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022769
observed 46a660b6cb47a177dd5617cc2abc8be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.014168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022769/manifest.json
observed f27196f3dbbcd1fafc36d9efa58e4a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.995650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022769/publication.md
observed 73ad497b58282b6f40cd65f24a621b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.973498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022769/publication.txt
observed 138a027e53a8e3339b900da15775e0cc...
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.