OpenTechnical

OT-2026-000103794

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000103794) never changes.

Identity and time

Publication numberOT-2026-000103794 · never reused
Internal UUID01a0aea4-e463-7f78-bf61-ae3700414dcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103794
StatusPUBLIC

Content hashes

Canonical text6a117213566bea8be4c330a8ad364cfe29a0ac3bfeba48e3101d73157e7673ac
Markdown1ec4967dc2cefbcbb8893db3e92d54d0941d5aa6a504a0253bfa15e46f5bc418
PDF
Publication pageb8fae7c2c399b485fe0d746d02a52c2e06e635fd6236064572cc51ac7ee0be39
Manifest15d1e837c00f2ce58eafa53b015156d772afd9a9143144cb4c31032005da36c0

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
SignatureThsvSuLBwxONi0o25/snoKUtEyFp2YEUVwMkWjp4uAqV/rDjRXGzfbyqdh48JID9Ddt+fiBFi5NPn2xiWlroCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:44.897870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103794
observed b8fae7c2c399b485fe0d746d02a52c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.881624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103794/manifest.json
observed 15d1e837c00f2ce58eafa53b015156d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.861087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103794/publication.md
observed 1ec4967dc2cefbcbb8893db3e92d54d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.839983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103794/publication.txt
observed 6a117213566bea8be4c330a8ad364cfe...
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.