OpenTechnical

OT-2026-000103629

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off after set-down

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-2026-000103629) never changes.

Identity and time

Publication numberOT-2026-000103629 · never reused
Internal UUID01a0aea4-e462-7ef0-ab73-23bdb7f5cd58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103629
StatusPUBLIC

Content hashes

Canonical text7ce9b08a405e686fab6c8d6ac40f1e7d13621a5301d1f7d6f94c7cd5451d505a
Markdownb70f570e5be70188f16bf36d045931a5ce7a3a18e4f30ae63829c011719dabf2
PDF
Publication pagef883920cb8031efb600257979fdff70ef574e35bfefa3c7fa34981b5d7f5e119
Manifest2306e9e7edab93be5d9af6450e6121b03009b22afa0cc2b6c30c79f38d368a40

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
SignaturerE+OkPL+5tLdlNe/a54fJstiDsHw7Tw9zp76T9Li7fj7SJ+I+8tBeOdLqutF0qrA2QVRBoeDmGNNQcbzrU5uBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:25.449901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103629
observed f883920cb8031efb600257979fdff70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.434030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103629/manifest.json
observed 2306e9e7edab93be5d9af6450e6121b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.418118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103629/publication.md
observed b70f570e5be70188f16bf36d045931a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.402016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103629/publication.txt
observed 7ce9b08a405e686fab6c8d6ac40f1e7d...
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.