Pith Number

pith:ZVGSR4NE

pith:2010:ZVGSR4NECTTIK2H5LKQ5PYKU3J

not attested not anchored not stored refs pending

Interstellar H2 toward HD 37903

Piotr Gnacinski

arxiv:1002.4940 v5 · 2010-02-26 · 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{ZVGSR4NECTTIK2H5LKQ5PYKU3J}

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	2026-05-18T00:52:42.314618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd4d28f1a414e68568fd5aa1d7e154da48654acf6b3f69da5cf307a816a977b8

Aliases

arxiv: 1002.4940 · arxiv_version: 1002.4940v5 · doi: 10.48550/arxiv.1002.4940 · pith_short_12: ZVGSR4NECTTI · pith_short_16: ZVGSR4NECTTIK2H5 · pith_short_8: ZVGSR4NE

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/ZVGSR4NECTTIK2H5LKQ5PYKU3J \
  | 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: cd4d28f1a414e68568fd5aa1d7e154da48654acf6b3f69da5cf307a816a977b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a10f8552f9fc271abc19089253c834694220cd66a46498b950de11e3ae2530d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-26T09:01:39Z",
    "title_canon_sha256": "fd9c5789b0eb3b276329cadb56acbf1cc47eb06ade64082e4e28ec829f365be0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4940",
    "kind": "arxiv",
    "version": 5
  }
}