Pith Number

pith:ZHCKZIMR

pith:2013:ZHCKZIMRYFF36OGQVPIZXHADH7

not attested not anchored not stored refs pending

Precision measures of the primordial abundance of deuterium

(2) Institute of Astronomy, 3), (3) Kavli Institute for Cosmology, (4) Institute for Astronomy, (5) Swinburne University of Technology, (6) California Institute of Technology), Charles C. Steidel (6) ((1) University of California, Max Pettini (2, Michael T. Murphy (5), Regina A. Jorgenson (4), Ryan Cooke (1), Santa Cruz, University of Cambridge, University of Hawaii

arxiv:1308.3240 v2 · 2013-08-14 · astro-ph.CO · hep-ph · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHCKZIMRYFF36OGQVPIZXHADH7}

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.

Cited by

2 papers in Pith

Bipartite Solution to the Lithium Problem

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T01:48:15.435843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c4aca191c14bbf38d0abd19b9c033fdd4fc6b47f17286e2dd7ffec0546522a

Aliases

arxiv: 1308.3240 · arxiv_version: 1308.3240v2 · doi: 10.48550/arxiv.1308.3240 · pith_short_12: ZHCKZIMRYFF3 · pith_short_16: ZHCKZIMRYFF36OGQ · pith_short_8: ZHCKZIMR

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/ZHCKZIMRYFF36OGQVPIZXHADH7 \
  | 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: c9c4aca191c14bbf38d0abd19b9c033fdd4fc6b47f17286e2dd7ffec0546522a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "813b3314bcf6b8b9847f21035eb0c653b615823d244986f1361d578be20fa785",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-14T20:01:36Z",
    "title_canon_sha256": "db2c64687d514b716a1633e14ca9810f84670e8f1245fbf109dce0175ffb03d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3240",
    "kind": "arxiv",
    "version": 2
  }
}