OpenTechnical

OT-2026-000018170

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018170) never changes.

Identity and time

Publication numberOT-2026-000018170 · never reused
Internal UUID01a0ae6e-b488-73d6-843d-db5a878e32b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018170
StatusPUBLIC

Content hashes

Canonical text34b2f4c95de48ea1de26f5ce5d99ef447a75fcf0ff0d55efe415a42906759ea0
Markdown67f4d19b0e23ff05f7a87123214e40f725d02d4f8dc830d7807b2d8734ddd050
PDF
Publication page4cc78ac21e2b2da79ddc9d39e1edcacf3c1d4c02358fee99cd68df7d7ea32b7b
Manifest760c597e0cd53f34e6f1091e4bbeb31ae112e286b34410ec143d138a0ff31853

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
SignatureXGVG6DbjC+o7VqvuQyPSUeGUvvGW9TWLah1ePzqc2cCPeZPfXuEIeTeuk3HIHzYNa8LOtFiww5azw9nwCAewDQ==
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

2026-09-17T11:59:56.466261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018170
observed 4cc78ac21e2b2da79ddc9d39e1edcacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.448327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018170/manifest.json
observed 760c597e0cd53f34e6f1091e4bbeb31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.427668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018170/publication.md
observed 67f4d19b0e23ff05f7a87123214e40f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.409227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018170/publication.txt
observed 34b2f4c95de48ea1de26f5ce5d99ef44...
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.