OpenTechnical

OT-2026-000042392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000042392) never changes.

Identity and time

Publication numberOT-2026-000042392 · never reused
Internal UUID01a0ae7a-5d74-7ad5-9666-06644118850c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042392
StatusPUBLIC

Content hashes

Canonical textae19dedad13eb293d826c8d640bdcdc251ceefd730a6944e02efada1688da649
Markdown6b17a34e46bbbf9b22ad388893b25a6cc3630b409f5a8daee8462caec1204598
PDF
Publication page705ae9a167a2977f707197780c350309888d674fdfe6ffc4e966b0a57d795c96
Manifestb0585714aa7e4cf28e9cfcd94559a60fe7fd2778bddccc34029a0dda71d4a4cd

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
SignatureQT91YydGFEar5YI/9Xmn6SAh00tsdVwexR+X18M1TroZ/U3bnSWtvGf8QtSKroZm37n6EbcQjbC30QKcjcpHCg==
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

2026-09-17T11:16:11.148613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042392
observed 705ae9a167a2977f707197780c350309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.131616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042392/manifest.json
observed b0585714aa7e4cf28e9cfcd94559a60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.113609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042392/publication.md
observed 6b17a34e46bbbf9b22ad388893b25a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.096915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042392/publication.txt
observed ae19dedad13eb293d826c8d640bdcdc2...
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.