OpenTechnical

OT-2026-000011048

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, vented before set-down

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-2026-000011048) never changes.

Identity and time

Publication numberOT-2026-000011048 · never reused
Internal UUID01a0ae6c-540e-734e-812d-11bcd14f36cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011048
StatusPUBLIC

Content hashes

Canonical text696e0a1aee0fc133f2a85839746588e302ed819a13389149f8e6cb142e4f8528
Markdown38c26ad4055fe88dcf1c2f48d38f8ef7e21deecea773c07b3983a7250d3840ae
PDF
Publication pageb2fc565a16789b139428438e123886b16d99f91bb465c0303353a634a743f2b8
Manifestad8595720e175453d3a103015a557e4559899e4cc1365cc8b79ee7f0add524f5

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
Signatures7f0CD1rOXHkLHfitJU07Y4VSzdPAVfRIlX4LEN87ARCfQiDC0PTeWrL1epOIGRVSgYaZixfoAozIOz2ctTACg==
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

2026-09-17T12:13:52.872737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011048
observed b2fc565a16789b139428438e123886b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:52.853593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011048/manifest.json
observed ad8595720e175453d3a103015a557e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:52.833681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011048/publication.md
observed 38c26ad4055fe88dcf1c2f48d38f8ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:52.811468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011048/publication.txt
observed 696e0a1aee0fc133f2a85839746588e3...
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.