OpenTechnical

OT-2026-000003738

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified at each zone

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-2026-000003738) never changes.

Identity and time

Publication numberOT-2026-000003738 · never reused
Internal UUID01a0a90a-e8d2-781e-bc50-15fdc211c122 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:39.604634Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003738
StatusPUBLIC

Content hashes

Canonical text94afb654e4284c8a84705e81956875e96ced9e65a5e9932dc3d39e02fa118be7
Markdownc4effed0c68a10dde6942378f0b28db61c0e1ad0a813221a45ebc4f73f46621a
PDF
Publication page55f5e140bba6f850a207db9975057b870bbb5d3de9178ba3f203f9cc7c1d9f38
Manifest635240aad6f0a2693af5419796d99f80e66437c45605e37f48e1af971e83690c

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
SignatureoMdY8rAlTe7J5HS44mJBFlUOXGo9Oy7GBPIx1moa0lH/UdSKIr5w872PvOa/uHYqu7weWnByQj39R5zgdu/uBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:33.239517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003738
observed 55f5e140bba6f850a207db9975057b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.207489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003738/manifest.json
observed 635240aad6f0a2693af5419796d99f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.194062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003738/publication.md
observed c4effed0c68a10dde6942378f0b28db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.179443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003738/publication.txt
observed 94afb654e4284c8a84705e81956875e9...
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.