OpenTechnical

OT-2026-000043505

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043505) never changes.

Identity and time

Publication numberOT-2026-000043505 · never reused
Internal UUID01a0ae7b-92ce-7ed5-94ef-2db7140fd132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043505
StatusPUBLIC

Content hashes

Canonical textf7d0fbfbf769dd97824f07c3fb97b7e3d1831a40cf4299ab9fbc8fc0ad14644d
Markdown1a140ac2706dc3e3b7014514a34445d9424d8053bc7e6ebdea6b03b5866d4596
PDF
Publication page415db0aaa7799da6e8614e075241df7d0ecb9bea801a097e376e2aaf45012322
Manifestb40a0917f9d2d1f7bbc943ee3f2dc21971bb9d68d3b9829dabf837188febad0f

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
SignatureKmFClvSsb0+R1WZJn4+Cd7eh0SRvQVlu1cpB0XXmNg5d9S/sHxgkIPEosf5MGkbv9C2Z1TTdT2oG5JtDTdOyBQ==
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

2026-09-17T11:12:52.418210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043505
observed 415db0aaa7799da6e8614e075241df7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.397856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043505/manifest.json
observed b40a0917f9d2d1f7bbc943ee3f2dc219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.379271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043505/publication.md
observed 1a140ac2706dc3e3b7014514a34445d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.360097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043505/publication.txt
observed f7d0fbfbf769dd97824f07c3fb97b7e3...
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.