OpenTechnical

OT-2026-000021042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000021042) never changes.

Identity and time

Publication numberOT-2026-000021042 · never reused
Internal UUID01a0ae6f-65e5-70b8-bba2-a43b9bc4081c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021042
StatusPUBLIC

Content hashes

Canonical texte6eb0521f41b7ec5d5d193a66c4e17107f9ca2a6a90a2ae52d40016eeff3f9b8
Markdown8af351609606908fc7bf2b687baaa061d7fd6de501b3f86062b64c3264aa5198
PDF
Publication page9692bb4a8f2db866b7975a666cc974584b60b2e249f621ee789d9621fc91cd7e
Manifest05bbc9a2c089e5622d3213efd574bdf3f41ad29582cc1685ba96bf6e2b008034

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
Signature/5LFPVTbDY33Hy/FGrqq5gwUVep/CxJbWaFnP4YB2on9DfP/mm0+R+1a6fnmT+wP/RdUnQ+gUEsf2t4MnR5RCA==
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

2026-09-17T11:56:12.334873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021042
observed 9692bb4a8f2db866b7975a666cc97458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.316539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021042/manifest.json
observed 05bbc9a2c089e5622d3213efd574bdf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.297414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021042/publication.md
observed 8af351609606908fc7bf2b687baaa061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.277307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021042/publication.txt
observed e6eb0521f41b7ec5d5d193a66c4e1710...
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.