OpenTechnical

OT-2026-000099869

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000099869) never changes.

Identity and time

Publication numberOT-2026-000099869 · never reused
Internal UUID01a0aea3-1473-745f-a744-b807b2b2a837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099869
StatusPUBLIC

Content hashes

Canonical textf9dee41b9c5750b9f1cbfc79855873494a39f3597855b33b0f5b5a7f3eb1d56f
Markdown43965754202b7ae25ebbc9b5946d9cca6ab040d9aec5af6b69c287e0a314dfee
PDF
Publication page22bcf66ad34c11dab803622605c65c38bfdd9d405d13504d2e4ed97237137b8d
Manifest80cd7359f8bcb0f6cb2fccd2886c2ddd1f0fe62045faaa0b677fcf207ab6210c

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
SignaturegZyUwks6hpnrBN2MKZrhdYK+2fuZXVEyb1chPrGVmSZJhc1CuhnCDzzrIdCn0K/rc+gHx1kFvBLgCrCh9VBiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:29.675353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869
observed 22bcf66ad34c11dab803622605c65c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.652895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/manifest.json
observed 80cd7359f8bcb0f6cb2fccd2886c2ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.630315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/publication.md
observed 43965754202b7ae25ebbc9b5946d9cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.608631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/publication.txt
observed f9dee41b9c5750b9f1cbfc7985587349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.397341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869
observed 22bcf66ad34c11dab803622605c65c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.377302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/manifest.json
observed 80cd7359f8bcb0f6cb2fccd2886c2ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.355096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/publication.md
observed 43965754202b7ae25ebbc9b5946d9cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.336039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099869/publication.txt
observed f9dee41b9c5750b9f1cbfc7985587349...
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.