Pith Number

pith:W2A7VTD5

pith:2017:W2A7VTD5MA26QXQALLA2U25HWD

not attested not anchored not stored refs pending

Gauging Metallicity of Diffuse Gas Under An Uncertain Ionizing Radiation Field

(2) Princeton University, 3), (3) Carnegie Observatories), Fakhri S. Zahedy (1, Hsiao-Wen Chen (1), John S. Mulchaey (3) ((1) The University of Chicago, Michael Rauch (3), Sean D. Johnson (2)

arxiv:1706.04645 v1 · 2017-06-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2A7VTD5MA26QXQALLA2U25HWD}

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	2026-05-18T00:41:31.959276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b681facc7d6035e85e005ac1aa6ba7b0f32d4d668573106571fbf6d1a041176d

Aliases

arxiv: 1706.04645 · arxiv_version: 1706.04645v1 · doi: 10.48550/arxiv.1706.04645 · pith_short_12: W2A7VTD5MA26 · pith_short_16: W2A7VTD5MA26QXQA · pith_short_8: W2A7VTD5

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/W2A7VTD5MA26QXQALLA2U25HWD \
  | 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: b681facc7d6035e85e005ac1aa6ba7b0f32d4d668573106571fbf6d1a041176d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9629d623e144f6f5282e1b557068ebe83e81080feb7d07098915e7cae3fa0f4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-14T19:23:32Z",
    "title_canon_sha256": "b0e67e2c20b45cb1385ff077b26e8f63e8de3984ff91a5153c41d91d51e87194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04645",
    "kind": "arxiv",
    "version": 1
  }
}