OpenTechnical

OT-2026-000055327

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000055327) never changes.

Identity and time

Publication numberOT-2026-000055327 · never reused
Internal UUID01a0ae86-a100-77a9-ba0a-7f059909aa8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055327
StatusPUBLIC

Content hashes

Canonical text218dd7b6c5324295e40b5d331325a8bec9c84141a2682f0186e25f32fe326415
Markdown29a5373d20b0aa4b301b0943d9c9834283f618840ab513a99bae94d77d197cdd
PDF
Publication page3082d60abe65bb390a82045c9bddb385c8d106c7c8140cbe7c1e00519a489202
Manifest98c6c603479adac4454a8888635ec05d94ef278f88d831484045e4d25dd53a26

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
SignaturePDabdRMPfEUpvtda15SjL4AS1K+FGcItVQ4+A/Y4J6GIhN5hsU+RjU06kcdGLf4kWe3A9LWKU9CEnVOYiUSlAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:56.812775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055327
observed 3082d60abe65bb390a82045c9bddb385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.794634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055327/manifest.json
observed 98c6c603479adac4454a8888635ec05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.776298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055327/publication.md
observed 29a5373d20b0aa4b301b0943d9c98342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.757384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055327/publication.txt
observed 218dd7b6c5324295e40b5d331325a8be...
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.