OpenTechnical

OT-2026-000008412

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off after 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-2026-000008412) never changes.

Identity and time

Publication numberOT-2026-000008412 · never reused
Internal UUID01a0ae6a-e469-7a77-8364-d96859e588cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008412
StatusPUBLIC

Content hashes

Canonical text937a1dff8e05bdb684a2c63a16c941dd22f7ab09b5c005cf23ae486e232be493
Markdownf763c9db55f1647a43b16dca203f79a371ebc9d83669465a14451ead7f2f8e7f
PDF
Publication pageda34e1d4b7cd695e64810c23eec51ccf6fcec089de421833acbfbfd0b4130af5
Manifest8a0c45a5ec132efcdd49b4cd0e4eb05bf80c0b47804db7980c7254041ab8c343

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
SignaturefAhISasNVXSJ/twJ+e+U3q3WXAsLK0rE5g1NEBdiSB+LtlxHyPb01m4h3h5vSD8vh+aQhofxiaX9C1ZzkczdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.548403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008412
observed da34e1d4b7cd695e64810c23eec51ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.525035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008412/manifest.json
observed 8a0c45a5ec132efcdd49b4cd0e4eb05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.504935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008412/publication.md
observed f763c9db55f1647a43b16dca203f79a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.485280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008412/publication.txt
observed 937a1dff8e05bdb684a2c63a16c941dd...
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.