OpenTechnical

OT-2026-000038942

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038942) never changes.

Identity and time

Publication numberOT-2026-000038942 · never reused
Internal UUID01a0ae78-76a0-7f41-a7d3-1a5f008a47f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038942
StatusPUBLIC

Content hashes

Canonical textafe777c0345c2c385ec23522b827d63054aaa432c299629a679347509d794d17
Markdowncde80c23d39c32fe008de01c39288032888d254ba128f66d0e462e7f1b8280ce
PDF
Publication page8fa6d8396a88173aac9d2da332c794add1b7e7639de261b46d849ed46c5d9ead
Manifestf3b7c020a717227e18d41aea2177059aca2a066b579a187dca316634c83d86eb

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
Signature4DcTx7AeMcL/CXWKZIWErZeMi0Tb2Zx/4JQa7pst3f3v0wEVJjmZ4iQIkiyO3JPl9kPR6C48Llwn3ISRISQ2Bw==
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

2026-09-17T11:22:12.307053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038942
observed 8fa6d8396a88173aac9d2da332c794ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.286356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038942/manifest.json
observed f3b7c020a717227e18d41aea2177059a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.269520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038942/publication.md
observed cde80c23d39c32fe008de01c39288032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.252294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038942/publication.txt
observed afe777c0345c2c385ec23522b827d630...
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.