Pith Number

pith:DEXO3PLK

pith:2016:DEXO3PLKTNMNOUAH4Z3PHQQ7AN

not attested not anchored not stored refs pending

Evolution of dispersion in the cosmic deuterium abundance

Elisabeth Vangioni, Irina Dvorkin, Joseph Silk, Keith A. Olive, Patrick Petitjean

arxiv:1602.04831 v2 · 2016-02-15 · astro-ph.GA · 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{DEXO3PLKTNMNOUAH4Z3PHQQ7AN}

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	2026-05-18T01:19:24.319783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

192eedbd6a9b58d75007e676f3c21f036eacc4e05f5d5a4b9bc56aca7f76f266

Aliases

arxiv: 1602.04831 · arxiv_version: 1602.04831v2 · doi: 10.48550/arxiv.1602.04831 · pith_short_12: DEXO3PLKTNMN · pith_short_16: DEXO3PLKTNMNOUAH · pith_short_8: DEXO3PLK

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/DEXO3PLKTNMNOUAH4Z3PHQQ7AN \
  | 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: 192eedbd6a9b58d75007e676f3c21f036eacc4e05f5d5a4b9bc56aca7f76f266

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aceccea850bef47fb4ec6f132d042a52ad3e6123ea37c307834ac32b2ec2de8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-15T21:00:51Z",
    "title_canon_sha256": "d58e8bd4efdac2edff2158a33e83c3f6c22bc6e9ef6d82adab13d98fc3608d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04831",
    "kind": "arxiv",
    "version": 2
  }
}