OpenTechnical

OT-2026-000023582

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000023582) never changes.

Identity and time

Publication numberOT-2026-000023582 · never reused
Internal UUID01a0ae70-7269-7b87-b5b5-03940cad15e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023582
StatusPUBLIC

Content hashes

Canonical text52b82d0bf2276e18422fa7a2c0e9954a4813a6e526cbfcf7fdba0071bf51b1d4
Markdowna427fb09de92faa35fdef06affbc190ed52749f5f43bfeaf3a6dccd09dff4a5d
PDF
Publication page2cdc328071cbbdcb87da690d2a92ab4110b03c246e83b52f7947a800e75385fb
Manifesta0d9627f37454a602a3e4de4d91e5ccbde45327dc1a545bf0cf36674e5b84216

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
Signature5SY7lQSSpyjBtpq979MMlqDRzVoj4JAuHlQ44WzA8e0DdJ4/2F99W5QuU8ZdQxSxVvdmOI4GAsmn2Xxoqeo5DA==
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

2026-09-17T11:51:56.335308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023582
observed 2cdc328071cbbdcb87da690d2a92ab41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.316813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023582/manifest.json
observed a0d9627f37454a602a3e4de4d91e5ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.300285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023582/publication.md
observed a427fb09de92faa35fdef06affbc190e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.282352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023582/publication.txt
observed 52b82d0bf2276e18422fa7a2c0e9954a...
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.