OpenTechnical

OT-2026-000015694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000015694) never changes.

Identity and time

Publication numberOT-2026-000015694 · never reused
Internal UUID01a0ae6e-0c4b-7566-807b-647ec28ee7d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015694
StatusPUBLIC

Content hashes

Canonical text624f197e3e928a5625623d4bc36e220bdc0fd64aa9c72fe3c16b7277438474f5
Markdown3870f2f50e0c717a6c2926930fac5193616f863d57415f789b3e8e9d4347bd21
PDF
Publication page9cb8d5b18178502f00b399945e3fc684fff350bbba5fc2a4ae81a72fe28e5b7d
Manifest4b0d68ac4138c217d1ca50f0b4ae440d7b2fd742cb19c8872c7a43f6edbf35ec

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
SignatureuW3rsYf2C8gpMy0QS10pmFuVzPu5jD/NZIzrrsL7baVblEIcxNVSF/Y7RMgPxLJUOv7q6PgYM1lnwopzbUoUBA==
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

2026-09-17T12:04:58.257295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015694
observed 9cb8d5b18178502f00b399945e3fc684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.238876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015694/manifest.json
observed 4b0d68ac4138c217d1ca50f0b4ae440d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.221582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015694/publication.md
observed 3870f2f50e0c717a6c2926930fac5193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.203129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015694/publication.txt
observed 624f197e3e928a5625623d4bc36e220b...
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.