Pith Number

pith:PGBM3O4G

pith:2014:PGBM3O4G3H7TKV5TBPUWXFPT4S

not attested not anchored not stored refs pending

An HST/COS survey of molecular hydrogen in DLAs & sub-DLAs at z < 1: Molecular fraction and excitation temperature

India), Jane Charlton (PSU, Raghunathan Srianand (IUCAA, Sowgat Muzahid (PSU, USA)

arxiv:1410.3828 v3 · 2014-10-14 · 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{PGBM3O4G3H7TKV5TBPUWXFPT4S}

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	2026-05-18T02:25:19.780648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7982cdbb86d9ff3557b30be96b95f3e4ab15cf03514d176a98b04ef2333a5fe5

Aliases

arxiv: 1410.3828 · arxiv_version: 1410.3828v3 · doi: 10.48550/arxiv.1410.3828 · pith_short_12: PGBM3O4G3H7T · pith_short_16: PGBM3O4G3H7TKV5T · pith_short_8: PGBM3O4G

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/PGBM3O4G3H7TKV5TBPUWXFPT4S \
  | 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: 7982cdbb86d9ff3557b30be96b95f3e4ab15cf03514d176a98b04ef2333a5fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "871fad570e8ed8f8ff1051f6841fd3d5bdd30dc6f84718327f4375264d9e0487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-14T20:00:04Z",
    "title_canon_sha256": "16591684a20962dbabebaa3bfcd1287061cfe209dd17a2824067ce919e8eb85b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3828",
    "kind": "arxiv",
    "version": 3
  }
}