OpenTechnical

OT-2026-000048079

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048079) never changes.

Identity and time

Publication numberOT-2026-000048079 · never reused
Internal UUID01a0ae7f-c423-7d84-ac07-571f30f60dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048079
StatusPUBLIC

Content hashes

Canonical textfe7fed56fc848f10812c42896099823bcc4c959c9e7352e64bb296d6425f006c
Markdown85a5001201a3d0d42650e5d5f45d37553efbf4482ede418df2ebec416d3a051d
PDF
Publication pagec0d93ade97541c4683202a4da721ea7d6132f35cdeed70e9d23e43fe398a7162
Manifest9b3ccf9de5324fb7f02619bc956a3b46a3e23f727327b8a94250b1f0561f1909

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
Signaturect1HeDfoBUh1RpxUZ0Zv2az+QdnCCA2IHvqW9IhNJvbBfON58cjoV357A0FTDVuPlWK/BopiAtz+H5JbAkdKBw==
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

2026-09-17T11:06:05.823193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048079
observed c0d93ade97541c4683202a4da721ea7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.803771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048079/manifest.json
observed 9b3ccf9de5324fb7f02619bc956a3b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.784627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048079/publication.md
observed 85a5001201a3d0d42650e5d5f45d3755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.764414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048079/publication.txt
observed fe7fed56fc848f10812c42896099823b...
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.