OpenTechnical

OT-2026-000034159

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000034159) never changes.

Identity and time

Publication numberOT-2026-000034159 · never reused
Internal UUID01a0ae75-df0d-7130-aede-89fa8bf80d93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034159
StatusPUBLIC

Content hashes

Canonical text0aee530af8b2d5f3b1dc1725ae228d3ff04ececd8f1b62742d666ae84446e8b4
Markdown9e725f6e411f3d008d59678b0552740dbb8cbb2f774a3bcfb3eac7404a84e3a8
PDF
Publication page84b302a923afeb006a3c782fb5498104a177e248087baa970c8e1cbd25d03d4a
Manifestc8c1efad25f69ad0b46ba8cfca83ae29d8cbc3960f44db4040b4a49dbf6ddbd7

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
Signature1NOjJUKbuxpWTTZd5DE2jmFIV2htvnexcnZihsGPG9OaeXfFk1SJyb+2W3Y1eeXTu8YiFt06hUDQPprUF8SKCA==
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

2026-09-17T11:30:33.703046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034159
observed 84b302a923afeb006a3c782fb5498104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.684744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034159/manifest.json
observed c8c1efad25f69ad0b46ba8cfca83ae29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.663902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034159/publication.md
observed 9e725f6e411f3d008d59678b0552740d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.647804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034159/publication.txt
observed 0aee530af8b2d5f3b1dc1725ae228d3f...
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.