OpenTechnical

OT-2026-000039968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039968) never changes.

Identity and time

Publication numberOT-2026-000039968 · never reused
Internal UUID01a0ae78-d8d7-79c0-b3a9-0a504ed5a0d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039968
StatusPUBLIC

Content hashes

Canonical text21b56bb4e1ce4939c585d74c72acf5e41beb11d2184c13e9a18501333ce4cdd7
Markdown5e42d4c8ccd00b594901d6d583924d11dd5da8f298cab09fc549251def1ea4ca
PDF
Publication page53570ac5360ccc15e808d72cedf16ac25118762bf1dafbecc25442da4443ecf8
Manifesta40d55f1e3d5eab4464d2a897c40aa9b53ac24130775819bc79a0fc05ce047eb

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
SignaturewZuh8oIcKPN0WdNtclguQWQI5qZp7FmMjvrvOfKusA9dMtx/DCFVDOkadcs2fCcu2eeIz5IcOwdsinwEDAQdAA==
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

2026-09-17T11:20:17.445108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039968
observed 53570ac5360ccc15e808d72cedf16ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.425849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039968/manifest.json
observed a40d55f1e3d5eab4464d2a897c40aa9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.404266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039968/publication.md
observed 5e42d4c8ccd00b594901d6d583924d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.383204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039968/publication.txt
observed 21b56bb4e1ce4939c585d74c72acf5e4...
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.