OpenTechnical

OT-2026-000034255

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000034255) never changes.

Identity and time

Publication numberOT-2026-000034255 · never reused
Internal UUID01a0ae75-df0d-7223-b85b-3a6a45909cfb · 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-2026-000034255
StatusPUBLIC

Content hashes

Canonical text8be65788ff528202ecc8800def60c959fb9afb7c39407046adc23bcb5862bf5b
Markdown38873385ef2d74a0aa17fb2bcc37e20319946dd7a3871a7a8ae0bebf0adf8710
PDF
Publication page6716a4d1d3598e17199392a505dc92e83252f5a8c6632ed98e4096084825780b
Manifest36fc592b97a4da3d018227e21c68bcda1f26dd9c603f32b72c35c9e2fc9aaa81

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
SignatureIkqXW+m4a8fxuBduLAYs7iDM2Ni+OB/MMY2i6/4Qz3LZepsY6iPiA+6CAiEEwwwujl2Rl0sSLX29lCLT90QuAQ==
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

2026-09-17T11:30:48.776426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034255
observed 6716a4d1d3598e17199392a505dc92e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.760327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034255/manifest.json
observed 36fc592b97a4da3d018227e21c68bcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.738645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034255/publication.md
observed 38873385ef2d74a0aa17fb2bcc37e203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.721813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034255/publication.txt
observed 8be65788ff528202ecc8800def60c959...
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.