OpenTechnical

OT-2026-000030976

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000030976) never changes.

Identity and time

Publication numberOT-2026-000030976 · never reused
Internal UUID01a0ae74-3fb7-7c04-bbc7-afb766eb2cea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030976
StatusPUBLIC

Content hashes

Canonical textbd64639c209a65d117ca102a5f8943170f71b70732f4fc3b7dae6d806308aad2
Markdown50dd2a8d1f390a381fa5070014c3ed90bd2e7e19ef506e16ee54adecdd1af92a
PDF
Publication pagea95cc614f1d6ef186746cf8529525ac0f3b96b0811dae2e2ba526cc13504eb43
Manifestcef77169fa50fa3a76b961c7147362de67848424aa508d42b095c1d14cc85d90

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
SignaturelyjRc1Djc1t9J88xebb8GufeNMrCCvD0bEmapyv1+EZvcJ8k15BIKWunsUKglH8p/tu9Q1nzZlssgaYzDNJgBA==
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

2026-09-17T11:36:59.027833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030976
observed a95cc614f1d6ef186746cf8529525ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.006095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030976/manifest.json
observed cef77169fa50fa3a76b961c7147362de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.987401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030976/publication.md
observed 50dd2a8d1f390a381fa5070014c3ed90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.967909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030976/publication.txt
observed bd64639c209a65d117ca102a5f894317...
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.