OpenTechnical

OT-2026-000100342

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100342) never changes.

Identity and time

Publication numberOT-2026-000100342 · never reused
Internal UUID01a0aea3-3054-76dd-b45c-f8865713e50b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100342
StatusPUBLIC

Content hashes

Canonical text95581f74a35f3dae619f0e793fb663b048ba237c85dc9197d98921d74d89aa99
Markdown05f2247b28f31eedcc391eebc1698ca88ebbf04bbd9efd2fbbca0a683ab4261c
PDF
Publication page6c8a8486f25796278e1b3a2d3d625a032d9fc7513c47455cbf3a8cc97f05952e
Manifestc20557ee960f24a5b20dbbb349429e297b9ea30b48f2293760e76a5b4a5c8ded

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
SignaturexLn4FKJjhxB9x1lgjutBmeglOIRH3GGqcbTXKMOXUApAGncpxrF2XBRBK7TS3Gy9W1uQ8hHoDTdFy95OubAXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:17.290913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342
observed 6c8a8486f25796278e1b3a2d3d625a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.272814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/manifest.json
observed c20557ee960f24a5b20dbbb349429e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.254961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/publication.md
observed 05f2247b28f31eedcc391eebc1698ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.235525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/publication.txt
observed 95581f74a35f3dae619f0e793fb663b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.709413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342
observed 6c8a8486f25796278e1b3a2d3d625a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.693003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/manifest.json
observed c20557ee960f24a5b20dbbb349429e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.675950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/publication.md
observed 05f2247b28f31eedcc391eebc1698ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.659555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100342/publication.txt
observed 95581f74a35f3dae619f0e793fb663b0...
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.