Pith Number

pith:IE5NHJUM

pith:2010:IE5NHJUMIGPZH2XAK4D3ADICAV

not attested not anchored not stored refs pending

Cosmological concordance or chemical coincidence? Deuterated molecular hydrogen abundances at high redshift

A. L. Malec, A. M. Wolfe, J. Tumlinson, J. X. Prochaska, M. T. Murphy, N. Milutinovic, R. A. Jorgenson, R. Buning, R. F. Carswell, S. L. Ellison, W. Ubachs

arxiv:1007.0030 v1 · 2010-06-30 · 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{IE5NHJUMIGPZH2XAK4D3ADICAV}

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	2026-05-18T02:06:33.551308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413ad3a68c419f93eae05707b00d02054d0fba9a9aaa366990020df21bcd4123

Aliases

arxiv: 1007.0030 · arxiv_version: 1007.0030v1 · doi: 10.48550/arxiv.1007.0030 · pith_short_12: IE5NHJUMIGPZ · pith_short_16: IE5NHJUMIGPZH2XA · pith_short_8: IE5NHJUM

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/IE5NHJUMIGPZH2XAK4D3ADICAV \
  | 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: 413ad3a68c419f93eae05707b00d02054d0fba9a9aaa366990020df21bcd4123

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde0e1d4eb99781e295290233d3a75e5ac852375ba54e6b2ab86bae6e60aa87a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-30T21:27:01Z",
    "title_canon_sha256": "5639d5e90f5b641b6f30a91d6e0ef3ea4dc694fbf95bd12307b2843543adbb84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0030",
    "kind": "arxiv",
    "version": 1
  }
}