OpenTechnical

OT-2026-000017170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000017170) never changes.

Identity and time

Publication numberOT-2026-000017170 · never reused
Internal UUID01a0ae6e-76c7-722d-97e4-c266bece4c95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017170
StatusPUBLIC

Content hashes

Canonical texte7c720101dd54fb10730dcd5e768e4065d21918b9fa6472476c78a562b400d34
Markdown89c0f7ca8d53f44d25a32e9126d74ee9df1a21a696ea85c0125f463736c29980
PDF
Publication page6c42c1ad2255614d57afe56888d652242607d6d1db18086de260b291e38a5e25
Manifest11a89aa26ca76550e9018c9a6642df27af6638b094f24d10c25a91be80e10148

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
SignatureH4ur1O7OVyTsYcIlmtWcPQZ/qi2/rJVeiicvypEUp2mhXIs6sh+wosIHguV3NAwUGMECN0xuCgVy+BjtuNh1Bg==
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

2026-09-17T12:02:14.220387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017170
observed 6c42c1ad2255614d57afe56888d65224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.200933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017170/manifest.json
observed 11a89aa26ca76550e9018c9a6642df27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.185018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017170/publication.md
observed 89c0f7ca8d53f44d25a32e9126d74ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.167575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017170/publication.txt
observed e7c720101dd54fb10730dcd5e768e406...
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.