OpenTechnical

OT-2026-000017644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000017644) never changes.

Identity and time

Publication numberOT-2026-000017644 · never reused
Internal UUID01a0ae6e-96f9-724b-97dd-5075666468a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017644
StatusPUBLIC

Content hashes

Canonical text86a9a17937054fc7923fec1df699a61b4efa269c1a4b2b4ae1bc2d69e04e2cff
Markdown530d3ea6dea0633d50224b5a875dce905370880a3f24b5269f2f6f107b9fbff9
PDF
Publication page5f5049cc5698e66dd72cd452da50e16d8a31d0b8fac8ad2a8655205f05301f15
Manifest2edaa0ae59feb2ea7bb574be3e9c6a7987642b48daae620ddbf7f3c2adc4cece

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
Signature9wMlQT+xrwFuazRApBmqBRDocC47qxi3X7WaQOgrbvH/QYp2VFXX9CXzP1dJpuaDHdcjDcoRL8RgNccCLo0GCQ==
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

2026-09-17T12:01:27.590052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017644
observed 5f5049cc5698e66dd72cd452da50e16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.572778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017644/manifest.json
observed 2edaa0ae59feb2ea7bb574be3e9c6a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.554895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017644/publication.md
observed 530d3ea6dea0633d50224b5a875dce90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.537634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017644/publication.txt
observed 86a9a17937054fc7923fec1df699a61b...
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.