OpenTechnical

OT-2026-000013374

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000013374) never changes.

Identity and time

Publication numberOT-2026-000013374 · never reused
Internal UUID01a0ae6d-6fca-780d-aafb-8cbba1c6fa92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013374
StatusPUBLIC

Content hashes

Canonical text58123b6ec0e7eec23c17a5c3a0d1b1f67eddaf8a945feb043c42c3d8ca36abab
Markdownd4a72ff982313f921cd4f837608aaf5d0c7e23728bd244e6d17aeab39d909fb5
PDF
Publication page1eff82c11b16c912022e34a751ee39ff2367503907944fbb9ce2a135d167183e
Manifest378588dada5ec93aeac23c4a67b6a350de1138fa2579c525d5638c5d83d03a55

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
SignatureHTjhFwDeHnG7JgqOFT7QXW+DgQwyPxN0aOqwgZbUk4tLVu68kdaE4phaZhPFlRe8WgCYA0vY4hyZT9Mgodm5Cg==
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

2026-09-17T12:09:50.252611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013374
observed 1eff82c11b16c912022e34a751ee39ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.230751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013374/manifest.json
observed 378588dada5ec93aeac23c4a67b6a350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.210512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013374/publication.md
observed d4a72ff982313f921cd4f837608aaf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.190545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013374/publication.txt
observed 58123b6ec0e7eec23c17a5c3a0d1b1f6...
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.