OpenTechnical

OT-2026-000014051

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000014051) never changes.

Identity and time

Publication numberOT-2026-000014051 · never reused
Internal UUID01a0ae6d-8deb-76fb-a0b1-4838dc105c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014051
StatusPUBLIC

Content hashes

Canonical text1358905a26d51de33f251c59981cc730a7c54807d88db93f243ae548a8ef697a
Markdown7e0fcb9a164b0fb0927395cb7205f9ea20051f7ce9b8a02cf210a910bb97f5f1
PDF
Publication page69044a45082c3e11b6b6386df1c24effe2f9778d7baebac3856f15fa4e0b9715
Manifest3e50b15f351e762247ab25498022bcfe6634c670fb0e669856bf698eac3b3dc1

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
SignaturecvkDBqK3GS6v3KK9qT0sG/WS7onWmFIAFU/tHqBA83GFGiYgdFZOn02G5DOd3TTCWoiJLFQ/nfG7R08KbAZHDA==
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

2026-09-17T12:09:17.347286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014051
observed 69044a45082c3e11b6b6386df1c24eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.328019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014051/manifest.json
observed 3e50b15f351e762247ab25498022bcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.308419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014051/publication.md
observed 7e0fcb9a164b0fb0927395cb7205f9ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.289644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014051/publication.txt
observed 1358905a26d51de33f251c59981cc730...
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.