OpenTechnical

OT-2026-000074385

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074385) never changes.

Identity and time

Publication numberOT-2026-000074385 · never reused
Internal UUID01a0ae93-7179-70f0-b7bc-d81b93664bd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074385
StatusPUBLIC

Content hashes

Canonical textf499d70114f0aa7547a25edb6c0a6a61f417a3faad91fdd33c338cfbe804b507
Markdownd2072dd499c4aeb084918adfbf75e603e2b028adf9225d2aecf72a536ff637a1
PDF
Publication page425905c32442d674a919c4b2b57ea9da319d29c802ec680a4fd58bc996f0200c
Manifest54a8c79168e2e7c7417992e0ad41299303102532e8774c9e95ed57d792179a22

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
Signature2nMJpJGhDF1y5Zeqxh7MDOIIZx8rAKW7Nr7I7WQE9xauG9/2tAmg/sdeCiX8B/kmbMvR59r8doBmt/CmNUf7DA==
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

2026-09-17T10:19:19.185965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074385
observed 425905c32442d674a919c4b2b57ea9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.167826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074385/manifest.json
observed 54a8c79168e2e7c7417992e0ad412993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.148649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074385/publication.md
observed d2072dd499c4aeb084918adfbf75e603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.129624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074385/publication.txt
observed f499d70114f0aa7547a25edb6c0a6a61...
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.