OpenTechnical

OT-2026-000033303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000033303) never changes.

Identity and time

Publication numberOT-2026-000033303 · never reused
Internal UUID01a0ae75-8980-7f33-a85a-5aa1c77f06db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033303
StatusPUBLIC

Content hashes

Canonical textc2a2c50328a7595571d7f5e2ba1c9f6adcafc691cc5fae51136be2d64a7e6795
Markdown32de2a7226bd35cab279f20d96f2292898c54b357e83e6905a00103d87da5294
PDF
Publication page496f71f30c2159e167d518791af65eb5a0824678ce1026ec9db463f8a7119f53
Manifest36792c88175f6b27ef6c7af40541d68d7a7a17871bbe9d31f80d99b4a56c1823

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
SignatureLE7ZjRVjt0l6VVPTI9KxjWR7073btZJ7LV21SVyZsijWaQ9p6TLEvv88Nop69f01Pv5DQxe81Pit2Ez8yZiCCA==
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

2026-09-17T11:32:02.982102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033303
observed 496f71f30c2159e167d518791af65eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.963090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033303/manifest.json
observed 36792c88175f6b27ef6c7af40541d68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.944278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033303/publication.md
observed 32de2a7226bd35cab279f20d96f22928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.920075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033303/publication.txt
observed c2a2c50328a7595571d7f5e2ba1c9f6a...
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.