OpenTechnical

OT-2026-000033459

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000033459) never changes.

Identity and time

Publication numberOT-2026-000033459 · never reused
Internal UUID01a0ae75-a38d-7bd5-8b21-056971b6918d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033459
StatusPUBLIC

Content hashes

Canonical textef1b5cb21542b26773ebfc84706ae5b4b69a8f4153b8f8e97d486f4946477a9a
Markdown039d987f5e12804e1d73d248694e1316c3f211c8dde06a9ac53556d339c66968
PDF
Publication pagee8de574c557287916487f9677bf11acf1377fc26f8ba004ff0a8638eeb0986fe
Manifest0a85736edcad9d1bf95801fe9e28dd6b3678817ed73a8693523fe027e77f627c

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
SignatureSxTRpNhecfNtam6ICk1mfegsWbTk1Lvzk0T/4JFR0SwuC1G+o62oLyGFLOglp1vi3IP76zf6pe2+24BNeua1Cw==
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

2026-09-17T11:31:17.829992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033459
observed e8de574c557287916487f9677bf11acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.814305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033459/manifest.json
observed 0a85736edcad9d1bf95801fe9e28dd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.795180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033459/publication.md
observed 039d987f5e12804e1d73d248694e1316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.775895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033459/publication.txt
observed ef1b5cb21542b26773ebfc84706ae5b4...
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.