OpenTechnical

OT-2026-000029484

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000029484) never changes.

Identity and time

Publication numberOT-2026-000029484 · never reused
Internal UUID01a0ae73-5e21-7a2a-9e0b-4c5d63ad9e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029484
StatusPUBLIC

Content hashes

Canonical textd6445f277f4c132e1b9d2df15367999ce7fb288d9f44833c8700513abfad66d0
Markdown7c013530d2196f3dc5f026cd2a9403646e7c4440e66d33d1a697f9390d9bfbcf
PDF
Publication page6479f53e58a08eba413b25a57628061708b3fb06553cfd60da6c3954380bb897
Manifest71b3c73c18d85462371392abba86df323862c17d4436d93c5be4028ef48a8644

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
Signature2W3v9tUHmJvh8b9Y4ZWyNeqB6GCw3ib0U2Ape2rpA04Rd0fWBSpnlTYl5T4TJNfL4dqLP4qFugZy6L8/gOE8DA==
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

2026-09-17T11:39:06.664914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029484
observed 6479f53e58a08eba413b25a576280617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.642197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029484/manifest.json
observed 71b3c73c18d85462371392abba86df32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.623617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029484/publication.md
observed 7c013530d2196f3dc5f026cd2a940364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.606715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029484/publication.txt
observed d6445f277f4c132e1b9d2df15367999c...
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.