Pith Number

pith:B5TR3BNN

pith:2012:B5TR3BNNZJCDUDQBP2KGMPXUVJ

not attested not anchored not stored refs pending

Deuterium at high-redshift: Primordial abundance in the zabs = 2.621 damped Ly-alpha system towards CTQ247

C. Ledoux, P. Molaro, P. Noterdaeme, P. Petitjean, S. L\'opez, V. Dumont

arxiv:1205.3777 v1 · 2012-05-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5TR3BNNZJCDUDQBP2KGMPXUVJ}

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	2026-05-18T01:57:31.245309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f671d85adca443a0e017e94663ef4aa4f7b946d4d4d7f7eccc4ae6a3abf415e

Aliases

arxiv: 1205.3777 · arxiv_version: 1205.3777v1 · doi: 10.48550/arxiv.1205.3777 · pith_short_12: B5TR3BNNZJCD · pith_short_16: B5TR3BNNZJCDUDQB · pith_short_8: B5TR3BNN

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/B5TR3BNNZJCDUDQBP2KGMPXUVJ \
  | 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: 0f671d85adca443a0e017e94663ef4aa4f7b946d4d4d7f7eccc4ae6a3abf415e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92092e2ea13135a326d8b7156b9df331a2d8738525a5d31a0bb062bce8ca97bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-16T20:00:00Z",
    "title_canon_sha256": "76495bdc2df5c184ae85ab0285a3746c3efff9c90c50aecfcd7bc1023512505b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3777",
    "kind": "arxiv",
    "version": 1
  }
}