OpenTechnical

OT-2026-000100335

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100335) never changes.

Identity and time

Publication numberOT-2026-000100335 · never reused
Internal UUID01a0aea3-3054-7a12-9840-39833275b0d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100335
StatusPUBLIC

Content hashes

Canonical text83c134666b032cb759a87f4acc7de14ca4cafe4fd34272a92244f7d70e4b5fd8
Markdown77ad96341a63bde8f5096f7b3807de4db36f1ca24ac9d8b269ab19cd4af7cf20
PDF
Publication pagec827abda2894019bd1363b248e3ce5ca4f972f0a7271bce4adf57ed6b1f06f77
Manifest2b57483108ba6b1e7dfacd53d05ea4d7bc5a389e01288e051b4190a8a3a7fcee

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
SignaturexUC4xPNLozqVbhtGYIOO+vTKhjfYnJEVvANPT86XwT9PcPOXt/UlMwxYVlFvbaRW+QymST94bSgyhduseoO8AQ==
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

2026-09-17T09:30:16.811981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335
observed c827abda2894019bd1363b248e3ce5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.795143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/manifest.json
observed 2b57483108ba6b1e7dfacd53d05ea4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.777045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/publication.md
observed 77ad96341a63bde8f5096f7b3807de4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.759257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/publication.txt
observed 83c134666b032cb759a87f4acc7de14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.267002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335
observed c827abda2894019bd1363b248e3ce5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.245324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/manifest.json
observed 2b57483108ba6b1e7dfacd53d05ea4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.224377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/publication.md
observed 77ad96341a63bde8f5096f7b3807de4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.204680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100335/publication.txt
observed 83c134666b032cb759a87f4acc7de14c...
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.