OpenTechnical

OT-2026-000032247

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000032247) never changes.

Identity and time

Publication numberOT-2026-000032247 · never reused
Internal UUID01a0ae74-f7a7-7cb7-a0b1-8545a2855b40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032247
StatusPUBLIC

Content hashes

Canonical text5fea284aa6223ac3760af7301d303ae8475981363d64159d697efe46b1a29da9
Markdowncc99875610a1858734b85318fd3ec296a787d871cf890f316b64ac5381720759
PDF
Publication page00ecf8c2f1b74f15f13dedff7086853058ce2125f9ea68e3dc2da919f22b6caf
Manifestf004ea83fd93868c3af257358ea73d511eaa865cd1ab28ae93fe30a04a6dfd3e

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
SignaturekhwlDO8jIYxovfjEbng6RIoFAycrlkrGkPFLSB2hnMBC+570JAvE8yF0ap3jMv+lT9L3xZbQlMQkvU3R5F5XDg==
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

2026-09-17T11:34:36.220291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032247
observed 00ecf8c2f1b74f15f13dedff70868530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.203173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032247/manifest.json
observed f004ea83fd93868c3af257358ea73d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.185009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032247/publication.md
observed cc99875610a1858734b85318fd3ec296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.168082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032247/publication.txt
observed 5fea284aa6223ac3760af7301d303ae8...
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.