OpenTechnical

OT-2026-000056547

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000056547) never changes.

Identity and time

Publication numberOT-2026-000056547 · never reused
Internal UUID01a0ae87-7af5-774b-af23-95120d66fbf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056547
StatusPUBLIC

Content hashes

Canonical text2202ebb510a28be7afa1a94f2505946ce55ed31921a1defd455f63c539738e48
Markdown3afc4982fdfc50abeb50de0e63803253a686ac6aa08aa93d3ac95c1310c28da0
PDF
Publication page71b16bbdf4123c56dc829d208f0c0365fcbbcaba6672982af814b507a5570ea5
Manifestc5d8a5d6a00d09ec10ea6fe2c14e9fc94a3d6ce58d8f84980806747a9f99af83

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
SignaturewXYwYPwg7Fv4tSYPLC2a58+7XN5rLVsGRGpII29Y79Rh8CZBsWgIUP80BvlQErIweEBDol8GQbFjC2N2FW+zDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:52.777893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056547
observed 71b16bbdf4123c56dc829d208f0c0365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.760119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056547/manifest.json
observed c5d8a5d6a00d09ec10ea6fe2c14e9fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.742494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056547/publication.md
observed 3afc4982fdfc50abeb50de0e63803253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.725292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056547/publication.txt
observed 2202ebb510a28be7afa1a94f2505946c...
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.