OpenTechnical

OT-2026-000043651

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043651) never changes.

Identity and time

Publication numberOT-2026-000043651 · never reused
Internal UUID01a0ae7b-92d0-7692-8f3b-e4b6dd351d24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043651
StatusPUBLIC

Content hashes

Canonical textc04c568b5c7a534ff4901f83c634ae55667f0badf003c5e83e88627fea3777ad
Markdown1425a855af5f18a6416c63a0060bf5b43a6bcf0260a9beac3f9184b5cc2ca4c6
PDF
Publication pagecfb293efcb99cd07072be06ed89cb7be800bd640078bd4545ff54def0610640b
Manifestd1e048caee270a706500676aa9654b68bab5e754ece655da379789b1c636e1af

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
Signaturedpz2hFowhCtz4bx04lz7VqFxgpQyySYafyA1u1h6fyvQban29Kan/MfovqncHEmyyGnshkL3swP4JuJzESchAA==
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

2026-09-17T11:13:07.911427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043651
observed cfb293efcb99cd07072be06ed89cb7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.891798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043651/manifest.json
observed d1e048caee270a706500676aa9654b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.872808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043651/publication.md
observed 1425a855af5f18a6416c63a0060bf5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.854807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043651/publication.txt
observed c04c568b5c7a534ff4901f83c634ae55...
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.