OpenTechnical

OT-2026-000010987

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, vented 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-2026-000010987) never changes.

Identity and time

Publication numberOT-2026-000010987 · never reused
Internal UUID01a0ae6c-540e-7641-b622-365888b37ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010987
StatusPUBLIC

Content hashes

Canonical texte8505cde620e823ff0f0b0ed25449789b44d723c5996231815c3f7fea060c38d
Markdownc57878392c87cf0cb820bea9123ffcf3113da4d7016c45cc0ed5b36fb284438d
PDF
Publication page44f0970c43f55e3785c252bac96dd3d902941e4c8b785f5c1239faf819e86cdd
Manifested07cd837b959885b69e1c4dffbbaf976400737358850922922cd7ec7d3585fd

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
SignaturejxUV+4NV9nxrIbknEzql/E+/h736mdZdZMqDyiyOsIu/55DcpMkBOEZjm7T6ykA9Rt2hFhr0ianrGq1gQ4yaBw==
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

2026-09-17T12:13:47.430604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010987
observed 44f0970c43f55e3785c252bac96dd3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.411162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010987/manifest.json
observed ed07cd837b959885b69e1c4dffbbaf97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.393677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010987/publication.md
observed c57878392c87cf0cb820bea9123ffcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.375125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010987/publication.txt
observed e8505cde620e823ff0f0b0ed25449789...
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.