OpenTechnical

OT-2026-000008176

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, vented 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-2026-000008176) never changes.

Identity and time

Publication numberOT-2026-000008176 · never reused
Internal UUID01a0ae6a-908c-7d7b-ada7-5b175599f96d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008176
StatusPUBLIC

Content hashes

Canonical text5c548bdf9309326f2e0bb3103f9998c530a5465c95b4350b7762609d5a8463ba
Markdowna3471cce11e45a84cbfe0bb52721a46cecc36a89609de9f1c65f399074143763
PDF
Publication page04c5363417672148456916e9bad03833e2cb45345bb8f410a14c52f8f62220ae
Manifest4e50a56e9d43c9c63caf44ae177461c79fe63134bff078c708fd0f3e89fef98b

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
SignaturerNYEeDFGCayV7Wh7wHHf8mIVVmKXYSvAB8JTXlwaInjnQuWbu2rqCWi66ZtanusHe5GxJ4M+369VsjpiEwBFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:32.523824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008176
observed 04c5363417672148456916e9bad03833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.505125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008176/manifest.json
observed 4e50a56e9d43c9c63caf44ae177461c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.486905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008176/publication.md
observed a3471cce11e45a84cbfe0bb52721a46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.466253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008176/publication.txt
observed 5c548bdf9309326f2e0bb3103f9998c5...
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.