OpenTechnical

OT-2026-000056560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000056560) never changes.

Identity and time

Publication numberOT-2026-000056560 · never reused
Internal UUID01a0ae87-7af5-7034-ac46-485506448246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056560
StatusPUBLIC

Content hashes

Canonical texte8c4e730039b20371fc8c916baa68e810be4b0be56f7e8823d00f4f2d54471b5
Markdown9ed474254c09a5053c1e3614199e5f4b88b3d3136336d6223b393eaa1bc559d4
PDF
Publication pageae03c4859dcf1578fc097bbd1293f13dd9c306bd282072a1b92099f4fc09d3c9
Manifesta319daca655c8770adaf5475974726a9f20e1d57ae8d840ecc2ab3c96c9a42d3

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
SignatureqjgS+r52uy+DlxyuhEwQCepHkBoCYOtSsRvclHcvAac6GIYc/egDL3mNtSbhtEcD+ZJK2eg4iUDZ57MgtuFnDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:53.809254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056560
observed ae03c4859dcf1578fc097bbd1293f13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.792264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056560/manifest.json
observed a319daca655c8770adaf5475974726a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.773955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056560/publication.md
observed 9ed474254c09a5053c1e3614199e5f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.755432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056560/publication.txt
observed e8c4e730039b20371fc8c916baa68e81...
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.