OpenTechnical

OT-2026-000074663

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000074663) never changes.

Identity and time

Publication numberOT-2026-000074663 · never reused
Internal UUID01a0ae93-ac2b-767f-a859-d6ac0cf9c6cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074663
StatusPUBLIC

Content hashes

Canonical texte972aee0604efcd4dd4ffc27299e12cb7e2fc2478d3056f356f4bed7d7a5b73a
Markdown006137b8dab3cb81f88f703917941c2be88f4d4051645a4296c1137153e85d49
PDF
Publication page76820155fe3690a71ff10e7db419aee5a166245a54adefcb7199c956cf6a62ba
Manifest341f9a1d4a048939e63150080e6cf8059f32300b0ab105bf37c07837b3c48136

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
Signaturet4gFIn3y+ACF07zcw8xK8cs+ZZ7QjwmzUSR3g46gJiLXqp+FkfQOZHPKfRGlHWwfR3Y6tLPbHD6DLy+bynY4Cg==
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

2026-09-17T10:18:14.566903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074663
observed 76820155fe3690a71ff10e7db419aee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.547179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074663/manifest.json
observed 341f9a1d4a048939e63150080e6cf805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.528203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074663/publication.md
observed 006137b8dab3cb81f88f703917941c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.508944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074663/publication.txt
observed e972aee0604efcd4dd4ffc27299e12cb...
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.