OpenTechnical

OT-2026-000026503

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026503) never changes.

Identity and time

Publication numberOT-2026-000026503 · never reused
Internal UUID01a0ae71-f4a8-743e-b300-1336b8e3e56b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026503
StatusPUBLIC

Content hashes

Canonical text105af28cd63897384043209730033921fa0e8fe6f33e045bb36ef2b6ab190c53
Markdown33e698d733872827c98572a2b842cfc7e1ddf2e2ad64e86557f68276a622825d
PDF
Publication page5e9f84f1223b99d97c6b6d51fc1c18e5e869707bc1f59bf99b3dff6e82fe481d
Manifest6551a9675985d5c11ae19fb0581fbc1282187bf25f20b2d2ed84c8a920356354

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
Signature4js+atZSUnDabbMlMHj3qiZwvl1Ot4M2bkKBUuOq1Mj22pqHof6cd3Xv0+1LngYz1BlqjA9GBI9CjWX1ADnXBg==
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

2026-09-17T11:44:28.269386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026503
observed 5e9f84f1223b99d97c6b6d51fc1c18e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.252911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026503/manifest.json
observed 6551a9675985d5c11ae19fb0581fbc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.232789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026503/publication.md
observed 33e698d733872827c98572a2b842cfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.215629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026503/publication.txt
observed 105af28cd63897384043209730033921...
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.