OpenTechnical

OT-2026-000102331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000102331) never changes.

Identity and time

Publication numberOT-2026-000102331 · never reused
Internal UUID01a0aea4-50f4-7657-8531-8128c829d938 · 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-2026-000102331
StatusPUBLIC

Content hashes

Canonical textaae2a6ccec0d2c3802951f2faed80d2ff3b6037daaea07e7445be84895146531
Markdown5f2c3c91825448f6d97f631962a04f5f9c466c714dca3317ade891d21c5c3876
PDF
Publication pagedcd0fdc0e39167e0925ca54600c1eb398ccf7c20decb00dda71e8bb627eb4e89
Manifestcdee8d34bbc926b46077ec5c470081202a5a15db2e3f15bb4dcf649ac74dfb6f

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
Signature7Q+q4AFg7b9wZyq28VJaBTBcUqojG63r6paiZCsLIdNrxML0ML4ZqzSdkwo3M1HjUkJaSBM/p2sKsqsaVZFmDA==
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

2026-09-17T09:25:32.228236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102331
observed dcd0fdc0e39167e0925ca54600c1eb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.210379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102331/manifest.json
observed cdee8d34bbc926b46077ec5c47008120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.184653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102331/publication.md
observed 5f2c3c91825448f6d97f631962a04f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.167482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102331/publication.txt
observed aae2a6ccec0d2c3802951f2faed80d2f...
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.