Pith Number

pith:LES7V3KI

pith:2017:LES7V3KIGCGJWTBO4U74ZHHQGZ

not attested not anchored not stored refs pending

The primordial deuterium abundance at z = 2.504 from a high signal-to-noise spectrum of Q1009+2956

E. O. Zavarygin, J. K. Webb, S. Riemer-S{\o}rensen, V. Dumont

arxiv:1706.09512 v2 · 2017-06-28 · 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{LES7V3KIGCGJWTBO4U74ZHHQGZ}

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

1 paper in Pith

Bipartite Solution to the Lithium Problem

Receipt and verification

First computed	2026-05-18T00:17:54.698620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5925faed48308c9b4c2ee53fcc9cf036513703b05bdc09bbb104c39f3bea6566

Aliases

arxiv: 1706.09512 · arxiv_version: 1706.09512v2 · doi: 10.48550/arxiv.1706.09512 · pith_short_12: LES7V3KIGCGJ · pith_short_16: LES7V3KIGCGJWTBO · pith_short_8: LES7V3KI

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/LES7V3KIGCGJWTBO4U74ZHHQGZ \
  | 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: 5925faed48308c9b4c2ee53fcc9cf036513703b05bdc09bbb104c39f3bea6566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2155c6391a3cd00a6a822f0b0646fe2f278749e16c9f1c2ca5ceb7b613410f5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-28T23:36:36Z",
    "title_canon_sha256": "46d9d7f48cc0949e9d0d3a1643ab62bdf4d80f48c790b9945dc8f7a351a2f9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09512",
    "kind": "arxiv",
    "version": 2
  }
}