OpenTechnical

OT-2026-000039772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000039772) never changes.

Identity and time

Publication numberOT-2026-000039772 · never reused
Internal UUID01a0ae78-d8d5-73d5-ae86-107865130b49 · 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-2026-000039772
StatusPUBLIC

Content hashes

Canonical text301ec1a21f10043fd21fb80ffd944db213ff9a7e769f6cbe2646ce0d78c3145c
Markdownf2e9c7b34550ed08019535ce59be82bac1615d872b87f53acdee5cd061955826
PDF
Publication page8bbedc570c91ad243f235ee598babba4459c8456c103fdd7be34186140b70aab
Manifest37af7dab7407815cccad4e3e0e7b95b800a013d1be51827add8427b12254a6b0

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
SignatureFe/bv6AFLXXFsOTRyF4GQazXdnO0AMvfqP6RL49/Po3milz6ptNax12Wt3wyYKqGoJPRnNRX8MPG41+TTdO/CA==
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

2026-09-17T11:19:59.673221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039772
observed 8bbedc570c91ad243f235ee598babba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.656759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039772/manifest.json
observed 37af7dab7407815cccad4e3e0e7b95b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.638970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039772/publication.md
observed f2e9c7b34550ed08019535ce59be82ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.618118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039772/publication.txt
observed 301ec1a21f10043fd21fb80ffd944db2...
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.