OpenTechnical

OT-2026-000054593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000054593) never changes.

Identity and time

Publication numberOT-2026-000054593 · never reused
Internal UUID01a0ae86-1283-788c-b0c6-8cd77098769e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054593
StatusPUBLIC

Content hashes

Canonical textcaa9ce353389e612ff2f6659fd74477f57d924701bfb19f9964393fe95986191
Markdown7f7661d91f7857aa27d6fb2095077678a0947ce3ca6076a8d0067ac1f6608a93
PDF
Publication page735dd9521075d4d09bf0a2478b77f95dfefc61a541e63bcf84e0c24e1b380db8
Manifest2c692ab6a4507f538228d592b7134008db5e3c9fdc6dfa936e3e9f1b436d7a2e

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
SignaturepwCQacbI7EB9nwlB9I72tA4sbtSV1kFh8S/bPKiFK0zo2urxvb9vrbocQNOJhXZnAN/xNfBz0yVC/THlqI5wBQ==
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

2026-09-17T10:53:38.671438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054593
observed 735dd9521075d4d09bf0a2478b77f95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.652988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054593/manifest.json
observed 2c692ab6a4507f538228d592b7134008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.634353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054593/publication.md
observed 7f7661d91f7857aa27d6fb2095077678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.615763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054593/publication.txt
observed caa9ce353389e612ff2f6659fd74477f...
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.