OpenTechnical

OT-2026-000026383

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000026383) never changes.

Identity and time

Publication numberOT-2026-000026383 · never reused
Internal UUID01a0ae71-f4a7-7e27-8113-f4be451958f9 · 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-2026-000026383
StatusPUBLIC

Content hashes

Canonical text392074d34e96edb33a26c3f163961f203bb3e1a2c30124198e5756bc111c4d59
Markdownb88bd31200be849570066abc6d8132001d55c78f70d68dfd8322db35c51c0a64
PDF
Publication page4197b35eb8d4e670800780598a8a698a6c7009c084b86f7ceb10f2ba7a1d05fc
Manifest0d9976cbd4a9021cf9583e9f0f0645e3e91ae798b1e866b24861dd76167524ea

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
SignatureJJQY6VC6bSK1b+wqe5FjHWt/xWXQOaiu9NPPICBMhkjbr3CWkcL4yh4x2nTwo8+YxCkVBGu85avd/xRafRHTBQ==
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

2026-09-17T11:44:21.939353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026383
observed 4197b35eb8d4e670800780598a8a698a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.923599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026383/manifest.json
observed 0d9976cbd4a9021cf9583e9f0f0645e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.908899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026383/publication.md
observed b88bd31200be849570066abc6d813200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.891175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026383/publication.txt
observed 392074d34e96edb33a26c3f163961f20...
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.