OpenTechnical

OT-2026-000023114

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000023114) never changes.

Identity and time

Publication numberOT-2026-000023114 · never reused
Internal UUID01a0ae70-7266-76ce-b5d2-e397b01c8673 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023114
StatusPUBLIC

Content hashes

Canonical text8ac3c84e64a35ea1ce1cf24405bb440e737684a80bfd1c3268780aed812ca7d5
Markdown5aaa8f53f60ae13598d100901afdc5d41ce273fb9f373c0a76387cb775cb51d9
PDF
Publication page20a11f1d3fad2914bc92397d76fdf4c4c70038660d3651adea9ed07c3f8a144d
Manifestefbc0eed6aa2b224d46d596c6b2e9dbe7bde116c3a32c12fd8e7d6e058b2fc9b

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
Signatures6Fwadal/h4yNW+na1tO4b/+Df4LdIw7F8eC4vi9LKczNjiCfNt5nWFGr+ZqMRryxbnDVZPaQZDdDmlikjGdDA==
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

2026-09-17T11:51:02.446659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023114
observed 20a11f1d3fad2914bc92397d76fdf4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.426934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023114/manifest.json
observed efbc0eed6aa2b224d46d596c6b2e9dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.397564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023114/publication.md
observed 5aaa8f53f60ae13598d100901afdc5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.379738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023114/publication.txt
observed 8ac3c84e64a35ea1ce1cf24405bb440e...
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.