OpenTechnical

OT-2026-000029593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029593) never changes.

Identity and time

Publication numberOT-2026-000029593 · never reused
Internal UUID01a0ae73-5e22-78e4-82a0-556d0ca5548f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029593
StatusPUBLIC

Content hashes

Canonical text0f5f2126277fea9f8277741ff54eb97974bb47665bc6b10104b767656988f778
Markdown3eb9421d542ee35f363aa7672abe0316793f1a34a643fe327b25d63e26a63a0d
PDF
Publication page71244c6da63670adf40ba47660fb456ae69bffec44de7b190fa6a04e35d1501f
Manifest053be57212724066f0146f37188c4e798ffe2c43317bf6e2b8bbfa71b99f6967

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
Signaturep5sGfyviSx5RLjQUOf3U+9BJt70PGiQ5yuypmEm7rX2z2nfW7/c4o4ZYLYbDZ0jAnyI76TimiBE8h18zDYUpBw==
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

2026-09-17T11:39:17.604284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029593
observed 71244c6da63670adf40ba47660fb456a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.586687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029593/manifest.json
observed 053be57212724066f0146f37188c4e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.568916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029593/publication.md
observed 3eb9421d542ee35f363aa7672abe0316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.549582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029593/publication.txt
observed 0f5f2126277fea9f8277741ff54eb979...
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.