OpenTechnical

OT-2026-000031133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000031133) never changes.

Identity and time

Publication numberOT-2026-000031133 · never reused
Internal UUID01a0ae74-87aa-72eb-8358-b4d709c43847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031133
StatusPUBLIC

Content hashes

Canonical text684ba40eddafa1b9414a03c9967c3be89792ad43639b3e7f18e1925428f329a6
Markdown4142c96791374dd7b52ced82c85cbd6cd05f92e1241960b020d3698e7e3a822f
PDF
Publication page6394f4e93dce9129c6d6a3b0e9b40e3ba2d81481d19af4e5df562c146bb389a0
Manifestc15e4f149b291ec35af706bc2a8806af795fcbc7ccdbff08513efe2d9059a938

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
SignatureXNoJx0/oLBzyAdCmAAB6tM1RMZyH6k46rRHd8ZBi4oCfEme8YIsknHYWLWvrmS1fiyWDIKGqWIYwEnRMdtdDCw==
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

2026-09-17T11:35:34.366694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031133
observed 6394f4e93dce9129c6d6a3b0e9b40e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.348011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031133/manifest.json
observed c15e4f149b291ec35af706bc2a8806af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.329395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031133/publication.md
observed 4142c96791374dd7b52ced82c85cbd6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.310579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031133/publication.txt
observed 684ba40eddafa1b9414a03c9967c3be8...
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.