OpenTechnical

OT-2026-000056447

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000056447) never changes.

Identity and time

Publication numberOT-2026-000056447 · never reused
Internal UUID01a0ae87-4bd2-7108-8de3-1580a0b6413c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056447
StatusPUBLIC

Content hashes

Canonical textc6a3e68f01078cfa7edc5e00eff501e4c90bb563ce4a79dc2f77ad5c51df02f9
Markdown7195f4d66b0f20ff0c4ec8ca220f43ae47d5fc3eab3ce8e856e2a2398746e3ce
PDF
Publication page223f02ea580698cb21f9a6f0f701326a9ef434e4ee59e2fae294045772f54915
Manifestd40efdfe0baa02cf69aaff7334c64d2a52e777764d1bc57b1af89996ddcd6f68

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
SignaturepZhxHcZj/v2OwPyGo7NFUtbjUvmG1HyoiLwDxgvbfNzXbiN1L7jzfT/G5vXlMk2nQdAbN9JUHKhS88ageZCSCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:58.958439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056447
observed 223f02ea580698cb21f9a6f0f701326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.938633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056447/manifest.json
observed d40efdfe0baa02cf69aaff7334c64d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.920075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056447/publication.md
observed 7195f4d66b0f20ff0c4ec8ca220f43ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.904470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056447/publication.txt
observed c6a3e68f01078cfa7edc5e00eff501e4...
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.