OpenTechnical

OT-2026-000078667

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078667) never changes.

Identity and time

Publication numberOT-2026-000078667 · never reused
Internal UUID01a0ae95-ccbb-742e-90d0-2b4573dddf3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078667
StatusPUBLIC

Content hashes

Canonical texte9e2c7660eff22d5b2b9316ea2f71e073278c76d884f22cfa45e9a65bfe40a66
Markdown7a47d5aaae7fd66d7f58046d6c52b4fbcdd478e7ee5496406e2311b8f6617da4
PDF
Publication pagefb974e4acdbd6afdbf2b8c7874a3d08552a2edc76acfa01a668dbe2b84efff7e
Manifeste6667f5b36fa9ef6b4e20b86b702bec5b9548a0d774faca02b5d8a7b0f80bef6

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
SignatureaEIqxlpVX0IZ391xVjpK54djt3kap8GRtZ1LLvpFjilZ23pcxEUN1COrEszspkkVz4B0DBNNW8uF0N8fkRFvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:26.401802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078667
observed fb974e4acdbd6afdbf2b8c7874a3d085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.381574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078667/manifest.json
observed e6667f5b36fa9ef6b4e20b86b702bec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.362878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078667/publication.md
observed 7a47d5aaae7fd66d7f58046d6c52b4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.342131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078667/publication.txt
observed e9e2c7660eff22d5b2b9316ea2f71e07...
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.