Pith Number

pith:PFMTS5RK

pith:2020:PFMTS5RKKNZRGBBZUK3QGVHJDE

not attested not anchored not stored refs pending

Ionized and atomic interstellar medium in the z = 6.003 quasar SDSS J2310+1855

Alain Omont, Bram P. Venemans, Desika Narayanan, Dominik Riechers, Fabian Walter, Frank Bertoldi, Jeff Wagg, Jianan Li, Karl M. Menten, Pierre Cox, Ran Wang, Roberto Decarli, Roberto Neri, Xiaohui Fan, Yali Shao, Yu Gao

arxiv:2007.12339 v2 · 2020-07-24 · 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{PFMTS5RKKNZRGBBZUK3QGVHJDE}

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	2026-07-05T01:30:42.295100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795939762a5373130439a2b70354e91917405efe36407002591ee119d424fb72

Aliases

arxiv: 2007.12339 · arxiv_version: 2007.12339v2 · doi: 10.48550/arxiv.2007.12339 · pith_short_12: PFMTS5RKKNZR · pith_short_16: PFMTS5RKKNZRGBBZ · pith_short_8: PFMTS5RK

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/PFMTS5RKKNZRGBBZUK3QGVHJDE \
  | 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: 795939762a5373130439a2b70354e91917405efe36407002591ee119d424fb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe04061e63a8dd646f113aa3b493447aa06cb8eb3d38ef86c662e5dae9e258f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-24T04:05:57Z",
    "title_canon_sha256": "251bac5bb577aca6bf20580d279ffa9a59f95c97ee52e08b9deb860ee78a87e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12339",
    "kind": "arxiv",
    "version": 2
  }
}