OpenTechnical

OT-2026-000031276

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000031276) never changes.

Identity and time

Publication numberOT-2026-000031276 · never reused
Internal UUID01a0ae74-87ac-7db2-95de-12db00232bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031276
StatusPUBLIC

Content hashes

Canonical text5fab2aeff0b8db7d447537b0213794f22b4ae8d5b01fcf251725d7710b1923eb
Markdown560692fbb1e8e33fc120a983d2a77d061237ce379ddc6356342f04669fcd2577
PDF
Publication pagef2003932cb31744bd5382730d73dacb656b6af8b0c5521086a36b74b99583214
Manifest9019f1658e692e377d7a0b357eb36ecdf43209fa4d9c9e93f9e36ed5ab604330

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
SignatureUMjTThyqpwPhxHTotSa8Ne96KdpLLTRRv3JH8N39/NaqF/PX5KoaIrj8sObNgMLCjSS+u/rf6lUmvm5K0/q2AA==
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

2026-09-17T11:35:51.436865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031276
observed f2003932cb31744bd5382730d73dacb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.420210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031276/manifest.json
observed 9019f1658e692e377d7a0b357eb36ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.404102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031276/publication.md
observed 560692fbb1e8e33fc120a983d2a77d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.386822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031276/publication.txt
observed 5fab2aeff0b8db7d447537b0213794f2...
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.