Pith Number

pith:3NXH3EHH

pith:2019:3NXH3EHHA23HHMZ4GDS72LBYTL

not attested not anchored not stored refs pending

Preliminary demonstration of flexible dual-energy X-ray phase-contrast imaging

Guibin Zan, Qiuping Wang, Shenghao Wang, Shijie Liu

arxiv:1911.04247 v1 · 2019-11-07 · physics.med-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NXH3EHHA23HHMZ4GDS72LBYTL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:20:56.283588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db6e7d90e706b673b33c30e5fd2c389ac7d77fc6d725791f9dbce1a6640f99f7

Aliases

arxiv: 1911.04247 · arxiv_version: 1911.04247v1 · doi: 10.48550/arxiv.1911.04247 · pith_short_12: 3NXH3EHHA23H · pith_short_16: 3NXH3EHHA23HHMZ4 · pith_short_8: 3NXH3EHH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3NXH3EHHA23HHMZ4GDS72LBYTL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: db6e7d90e706b673b33c30e5fd2c389ac7d77fc6d725791f9dbce1a6640f99f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f11215a25339e9c3c6010b075c177d0daeb68a5ffc25f0c17d5415a6235cb325",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-11-07T08:23:59Z",
    "title_canon_sha256": "471e4bb16a4b6838d59b7d19c55c257f26081b69152a23e500a1011394534c5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04247",
    "kind": "arxiv",
    "version": 1
  }
}