OpenTechnical

OT-2026-000020794

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000020794) never changes.

Identity and time

Publication numberOT-2026-000020794 · never reused
Internal UUID01a0ae6f-65e3-7ce0-845a-01434b9f9d32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020794
StatusPUBLIC

Content hashes

Canonical text17b369c74ca6d97b5f169fae2949378dbb6cb8a02c0063ab9bfe20ad1d7b69ab
Markdown55bc7c611ca38d1de44924f70158a749f7da959c28e196dcac0ae11e37eea8e7
PDF
Publication page358e60808d20661d523278d7ff8f0b59a1aea4bee4aed7b41234496be8c16fdc
Manifest26c86b470ab3ab91cac2d6bc471c42e6d7c165209cebffc0d49d70d2fbe739dd

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
SignatureXuAGoFxGrjCQLpfOFDdeZlx/3In9z+2Ok/9VQvjDNgNLvQCln8Kra7d7OXr9ct7/HPRW3ES/Or7ozAiK5nWlDA==
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

2026-09-17T11:55:52.718825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020794
observed 358e60808d20661d523278d7ff8f0b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.700285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020794/manifest.json
observed 26c86b470ab3ab91cac2d6bc471c42e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.683023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020794/publication.md
observed 55bc7c611ca38d1de44924f70158a749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.665182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020794/publication.txt
observed 17b369c74ca6d97b5f169fae2949378d...
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.