OpenTechnical

OT-2026-000103278

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103278) never changes.

Identity and time

Publication numberOT-2026-000103278 · never reused
Internal UUID01a0aea4-be3f-7d38-bf88-32b9bff6fc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103278
StatusPUBLIC

Content hashes

Canonical textd3c47ef1ad58ed381b902c6b7706e65226dc04be24ffdc7c1db875f067d283e5
Markdowna78bbd77b6e59aaf5b917061d93ad223c8f8059953247da243bc6824e0b0a3fe
PDF
Publication page45cad3c046a8102c205ebfd1a945ff751a2705b51cd36d74b6877bb88e112f33
Manifestfd868e246b6129943bcb890e0cfb2d4f67cbb691dc59278ddebe4c61d2ff37ba

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
SignatureEMEM1D/O4a3I9Vd6RgxExSjbgmutysiEnesCEEL8majgYGeeOywkPL7S9NgUG8aUniCLbxgge+Px/gjXJV4MCg==
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

2026-09-17T09:23:31.213737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103278
observed 45cad3c046a8102c205ebfd1a945ff75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.195851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103278/manifest.json
observed fd868e246b6129943bcb890e0cfb2d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.177387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103278/publication.md
observed a78bbd77b6e59aaf5b917061d93ad223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.160361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103278/publication.txt
observed d3c47ef1ad58ed381b902c6b7706e652...
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.