OpenTechnical

OT-2026-000012218

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000012218) never changes.

Identity and time

Publication numberOT-2026-000012218 · never reused
Internal UUID01a0ae6d-39f5-7fc7-b575-ecf9d6fe4597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012218
StatusPUBLIC

Content hashes

Canonical textedebb314644ed93aab167b228693a8f39134c906328a3431a2840b97065ca180
Markdown9ec2965ab4ceb98fd8a3de497d92f2b7d3e642e49e936278d588dd301c1d8cc1
PDF
Publication pageec72a443ad076bac6c0c7546de266a335c689c6c4699582b64848d49ea18e568
Manifesta872196a8fc16864fd4b946f11f05f9a8bd718daf3b5320174b1cd5557e53aa9

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
SignatureJnwRps6wnMze1Ryarss2rCaYmp7FpLhPlGcYN3FTDhQ96xulnBSGWUIaOuP82yty+2tsWrPVaj7BRayn2DZ+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:11:08.129913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012218
observed ec72a443ad076bac6c0c7546de266a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.112182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012218/manifest.json
observed a872196a8fc16864fd4b946f11f05f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.091915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012218/publication.md
observed 9ec2965ab4ceb98fd8a3de497d92f2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.073106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012218/publication.txt
observed edebb314644ed93aab167b228693a8f3...
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.