Pith Number

pith:PSPASC7J

pith:2017:PSPASC7J7MFBNOJUEQ6Y4AEDR5

not attested not anchored not stored refs pending

Polyquant CT: direct electron and mass density reconstruction from a single polyenergetic source

Alessandro Perelli, Jonathan H. Mason, Mike E. Davies, William H. Nailon

arxiv:1706.08743 v2 · 2017-06-27 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSPASC7J7MFBNOJUEQ6Y4AEDR5}

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	2026-05-17T23:47:36.515251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9e090be9fb0a16b934243d8e00838f79598885535dedfeb1f9384a6517b3b2

Aliases

arxiv: 1706.08743 · arxiv_version: 1706.08743v2 · doi: 10.48550/arxiv.1706.08743 · pith_short_12: PSPASC7J7MFB · pith_short_16: PSPASC7J7MFBNOJU · pith_short_8: PSPASC7J

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/PSPASC7J7MFBNOJUEQ6Y4AEDR5 \
  | 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: 7c9e090be9fb0a16b934243d8e00838f79598885535dedfeb1f9384a6517b3b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc325c2c3f6432226f17fcb4d0d447d21b531fc1180e9e6f0c6e363c1e6fc699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-06-27T09:18:54Z",
    "title_canon_sha256": "424ca95ad4c0809c29b7fdf32125ccd45681a50f6192f46b6d86d850637085b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08743",
    "kind": "arxiv",
    "version": 2
  }
}