OpenTechnical

OT-2026-000081968

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081968) never changes.

Identity and time

Publication numberOT-2026-000081968 · never reused
Internal UUID01a0ae97-0f77-7538-9fe0-75885c63d090 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081968
StatusPUBLIC

Content hashes

Canonical text0482fca5da46e36326464d67381bc8a54875249d15d4ea5ebde781bcf91d0b38
Markdown6f4e74564665bebed00ba8b27e327e1d2fcca31b76b2d4bca241a30ab279621f
PDF
Publication pagec4dbe5daf0f1f78a2d44d210427c7b1d01c56d14e22fa18731cfc39d8cb40e71
Manifestccec95017646ec87b1e2d027efba706460f259f0eb18294732dc624cba70f2c4

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
Signaturep8ygmRdrFEM2TswpSl42wWERRqluTa7gxTB+1YPVK8e0TO1mbrdLMDusBpWmcvSeEvsPNctIgsECZSoWkE98CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:06.374608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081968
observed c4dbe5daf0f1f78a2d44d210427c7b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.357631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081968/manifest.json
observed ccec95017646ec87b1e2d027efba7064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.339771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081968/publication.md
observed 6f4e74564665bebed00ba8b27e327e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.322479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081968/publication.txt
observed 0482fca5da46e36326464d67381bc8a5...
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.