OpenTechnical

OT-2026-000019964

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000019964) never changes.

Identity and time

Publication numberOT-2026-000019964 · never reused
Internal UUID01a0ae6f-1fb7-7b23-a8dd-aee9e7638197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019964
StatusPUBLIC

Content hashes

Canonical text781b40a18cd436ea118fa7544137ab36e367f078b70d031053815e440fcebece
Markdown2f5989da0ebe2fb77b743c8c175507aafada38649eecbb3b13b1e6d941eeac4c
PDF
Publication page0266ff0ff4a16b1064d5bc6d2fa6da3d128efcf830292bce5647c8bc6ad61ed8
Manifestdf3af574afbfff571a0e27e005368a65742ffc462ccd76f28604c48c3e72f447

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
SignatureB4ZliJjxBuH4jrIlmsPxrRtwqEWoqT0H63SGfXOIhrjXXGr54KnK6WameHf60UQCseoYLNqWlFXO2jkr1g5TDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:11.784993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019964
observed 0266ff0ff4a16b1064d5bc6d2fa6da3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.767139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019964/manifest.json
observed df3af574afbfff571a0e27e005368a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.749225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019964/publication.md
observed 2f5989da0ebe2fb77b743c8c175507aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.730777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019964/publication.txt
observed 781b40a18cd436ea118fa7544137ab36...
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.