OpenTechnical

OT-2026-000027101

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027101) never changes.

Identity and time

Publication numberOT-2026-000027101 · never reused
Internal UUID01a0ae72-3453-7245-8787-9b9e6f23b053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027101
StatusPUBLIC

Content hashes

Canonical text147d663702d63df595c62a7ff0dca5c3952765320a7523fbe8358650edf69da0
Markdown1097af835fbe0dfe334d4327be11e1884b0a96df4d490b8c2841785abde1bc17
PDF
Publication pageb3d6f033df03334d4f81f58f423dfacbcd5b98656ca4a791ff7321a6f670e5e8
Manifest50b0d5b34f96a4631894b408e288bb60b9bb07413cf81003b81d8b64a1f6a8b9

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
SignatureR++h4CXzyXFgWnI6n8nAoUa1KVEQyyWLCHc8ATz2n+xVckMWJn9vSs9PD1s0AUehRzZQgD49XtqAWq5dLb9wDw==
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

2026-09-17T11:43:52.230820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027101
observed b3d6f033df03334d4f81f58f423dfacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.214388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027101/manifest.json
observed 50b0d5b34f96a4631894b408e288bb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.199316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027101/publication.md
observed 1097af835fbe0dfe334d4327be11e188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.183086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027101/publication.txt
observed 147d663702d63df595c62a7ff0dca5c3...
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.