OpenTechnical

OT-2026-000101906

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101906) never changes.

Identity and time

Publication numberOT-2026-000101906 · never reused
Internal UUID01a0aea4-50f1-741b-8170-2b06174d9614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101906
StatusPUBLIC

Content hashes

Canonical text02cbe175c7fb4ad86c0c7b852caef9025dd4abda99f898117baf9fe38d2f19ab
Markdown8caba212418f1aaf755aba03d27371a3b852891303d20622adf8a954c01c06d3
PDF
Publication page2ba7020d1891009c7b2b2661c6af2bace1eeb3307211fb6477396b895b4c5b70
Manifest43cc898549ca928299fc8d68857dea29af2f0bd93b260300f3eeb2f535c09238

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
SignaturexiY3HpYrPfRa7hGU5MYY5IHuw/P0gLYvVuyB49O1ONzTqUGDq0MW9OHBa3utVeq0C1vsppbnUBVRCeMO/xkUBA==
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

2026-09-17T09:24:31.007487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101906
observed 2ba7020d1891009c7b2b2661c6af2bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.990647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101906/manifest.json
observed 43cc898549ca928299fc8d68857dea29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.973293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101906/publication.md
observed 8caba212418f1aaf755aba03d27371a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.955300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101906/publication.txt
observed 02cbe175c7fb4ad86c0c7b852caef902...
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.