OpenTechnical

OT-2026-000041878

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000041878) never changes.

Identity and time

Publication numberOT-2026-000041878 · never reused
Internal UUID01a0ae79-e8a5-7add-b741-06874c0c4ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041878
StatusPUBLIC

Content hashes

Canonical textab45ac65e55e5ee9cfc9471e05d71e8cb3a82e7070775a2de27c66c2427b02c5
Markdown4dd3229f239c349cb3a35705420d50b6ff4400b6415b36cebeac111b05bdb69c
PDF
Publication pagee28b573ba124de780151d9127b523a2b78fed3b9cf59ef0f4f914df0e8db863c
Manifest7efc986791e986cea50cb7123e6faba6c26c8aa12b4e3bf127aae6193680e3cd

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
SignaturecHRYrOd7w7envvzbXCXwOFsruQI6wSBeu+HHT1vJLnmHqA408UMLlu04HyjRXSW0jRxUCF8k121liZg20qqABw==
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

2026-09-17T11:16:45.159179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041878
observed e28b573ba124de780151d9127b523a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.141343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041878/manifest.json
observed 7efc986791e986cea50cb7123e6faba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.123052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041878/publication.md
observed 4dd3229f239c349cb3a35705420d50b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.105424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041878/publication.txt
observed ab45ac65e55e5ee9cfc9471e05d71e8c...
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.