OpenTechnical

OT-2026-000023963

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000023963) never changes.

Identity and time

Publication numberOT-2026-000023963 · never reused
Internal UUID01a0ae70-aed6-79e6-bb44-c66b1063601c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023963
StatusPUBLIC

Content hashes

Canonical text4163affc559bd761a153ebf6610dc560adc0b8f83f8a627cca87e024d4d00db0
Markdownf9742174b3ae6e19a124305e085e828a3f41749fd2738b3471eca376a9a6423d
PDF
Publication page602a0803af9b9159deb434ced23d4b6365e0c187a3ea9cfcc634905f598c5fac
Manifestbd0a81318a38b882152389acf9aee2ea3f249846d8dc0a361e1ecd0580b9fff9

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
SignatureYKUGrLO3/JrQ1ezF3WB+RsBaN0Dtfxi9YRl6meLDnoh6KBZ/UJx9AgXCYabGGg99v93l26r2hPpljHjFA3WUBw==
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

2026-09-17T11:50:43.132386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023963
observed 602a0803af9b9159deb434ced23d4b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.113078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023963/manifest.json
observed bd0a81318a38b882152389acf9aee2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.094575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023963/publication.md
observed f9742174b3ae6e19a124305e085e828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.052099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023963/publication.txt
observed 4163affc559bd761a153ebf6610dc560...
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.