OpenTechnical

OT-2026-000026933

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000026933) never changes.

Identity and time

Publication numberOT-2026-000026933 · never reused
Internal UUID01a0ae72-3452-725f-9539-aac10a6c5e8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026933
StatusPUBLIC

Content hashes

Canonical text774f35f4d68acc9876ff22eb6f5e131f2cce7b0a3eba511716c044cf598b7162
Markdown9dc607f464dda047ed623cff7d96e1b71e82ee92d04fed433b37b2b49a19714e
PDF
Publication page84eaa458232d021149c3d9559ef54e1e507f8cdc9bc88e1af6fa9460c26e130f
Manifest68093aa086b07b2d8781ebf59643f7b2ab66684b59580337a19958c7d81f9a4f

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
SignatureBAGoKhFFanWdCYf4AtD9cwJzYXInXdLmX4JuApZ3SWKDXcpevs7wUcuRN595lQaHmElXuKEew0wfoNnYXLIaCg==
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

2026-09-17T11:43:33.018719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026933
observed 84eaa458232d021149c3d9559ef54e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.002848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026933/manifest.json
observed 68093aa086b07b2d8781ebf59643f7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.986970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026933/publication.md
observed 9dc607f464dda047ed623cff7d96e1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.969995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026933/publication.txt
observed 774f35f4d68acc9876ff22eb6f5e131f...
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.