OpenTechnical

OT-2026-000017305

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000017305) never changes.

Identity and time

Publication numberOT-2026-000017305 · never reused
Internal UUID01a0ae6e-76c8-74e9-81b2-0b7614f8b252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017305
StatusPUBLIC

Content hashes

Canonical text7044f47da35a323b1dca25d3891ca5cab1b3873366b60fa8de9e2170a3a62f34
Markdownd4f0c95014d193007518df53e9289808057bba6e4c6b355bc6ed81ba48b48f1c
PDF
Publication page58f369edcace3148dcc3fdbeb96ea831592c4b75e7d034c694e5d2e2f7db5089
Manifestd90aafe1b9144d2cda9e4a56e7a2d83171803b52e2af11a7dbc9d253395356b4

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
SignatureaxML0MVoUm12OxpQ802Tzy9RoUhkbGgJ1NkGylNcu6lptxjiPk62CCk2GGXDaSd5q0S8v/FLIZetvq1U/a3DDA==
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

2026-09-17T12:02:24.423486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017305
observed 58f369edcace3148dcc3fdbeb96ea831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.404345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017305/manifest.json
observed d90aafe1b9144d2cda9e4a56e7a2d831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.388723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017305/publication.md
observed d4f0c95014d193007518df53e9289808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.372180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017305/publication.txt
observed 7044f47da35a323b1dca25d3891ca5ca...
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.