OpenTechnical

OT-2026-000076837

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076837) never changes.

Identity and time

Publication numberOT-2026-000076837 · never reused
Internal UUID01a0ae94-b070-7971-bba0-53ec84f06d32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076837
StatusPUBLIC

Content hashes

Canonical text336365f5db4444d8baac16b9a536411ae5889c114e84990e152d866ac92e01f4
Markdown08db4b17ef3611049ec50edc160546784b776968af772ca4b28cd1b8394e08b6
PDF
Publication page143432b509dc201847905523b6a546eef1922870c55b3ff10eb33509c4e7300b
Manifestc2b3420e59fae2e1aea0c3a0c4386e26e2e7c2292d195b28ccaa00169b874a81

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
Signature9FRU5NLc51EKljOYrig4QX4xZnZIg1mS7jRu/yFYSIPou90+LrEioZDW/J4hJwl7U4KIMdnngdlpcbiezo4ECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:43.258126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076837
observed 143432b509dc201847905523b6a546ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.229747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076837/manifest.json
observed c2b3420e59fae2e1aea0c3a0c4386e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.211375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076837/publication.md
observed 08db4b17ef3611049ec50edc16054678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.189692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076837/publication.txt
observed 336365f5db4444d8baac16b9a536411a...
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.