OpenTechnical

OT-2026-000103907

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed 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-2026-000103907) never changes.

Identity and time

Publication numberOT-2026-000103907 · never reused
Internal UUID01a0aea5-15e7-7da7-8322-df8762fc73d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103907
StatusPUBLIC

Content hashes

Canonical text79bc5e95a0af89b34164f62bb695f7733b236341751535f31e1fe9c5c4247d36
Markdownee9f9d5840c6b94c3b7234fef0e5f1cd90115d83a7d5fd3a285bb86e97923c1d
PDF
Publication pagec748e6d418a1bc75e8c0d6117c1b09fc2eaa48ac2a01bff840c6d4b6ee91d284
Manifest62e72e7d7475618b9b2aac8c3e8e372ec00217dd419f36c8e9fd35258daa93b1

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
SignatureH++T1TbNlSr/YNs2AqSx+CVZs2cP80wk04ct4inc9G2EW3A5+eZ9gF5/aqkIj91yI67fEtPJS190dimpnMUeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:54.002853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103907
observed c748e6d418a1bc75e8c0d6117c1b09fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.985935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103907/manifest.json
observed 62e72e7d7475618b9b2aac8c3e8e372e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.968625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103907/publication.md
observed ee9f9d5840c6b94c3b7234fef0e5f1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.950572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103907/publication.txt
observed 79bc5e95a0af89b34164f62bb695f773...
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.