OpenTechnical

OT-2026-000044981

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044981) never changes.

Identity and time

Publication numberOT-2026-000044981 · never reused
Internal UUID01a0ae7c-911d-7675-a7ff-c435cd1091b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044981
StatusPUBLIC

Content hashes

Canonical text8f12c14a93d8851719ec0b3667cd25e6bf9c76c2e60a580aa25caa9e3ca8cf7f
Markdown3a6a1f997aea4cf287f37e3424e7edd46972de34bef2d7fdaa5661f5520cde65
PDF
Publication pagea94e7cac11f1776678ec0c659f60a41825d1dbb269ae1a43b996f9cac87263f3
Manifest2ebae5388a690b2967a4f8e1ddc94fae1fe4c1fb5e86c82afc37b36317e31951

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
SignatureK/85wqy+8e6UAIocHSbQ9i5maPQlvT97wBDnP0B6jXOMOPZGUJNCU8Q6353f4XRxL0dzkxMzg47DFGlDunLuCA==
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

2026-09-17T11:11:40.272266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044981
observed a94e7cac11f1776678ec0c659f60a418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.252984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044981/manifest.json
observed 2ebae5388a690b2967a4f8e1ddc94fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.234014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044981/publication.md
observed 3a6a1f997aea4cf287f37e3424e7edd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.216151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044981/publication.txt
observed 8f12c14a93d8851719ec0b3667cd25e6...
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.