Pith Number

pith:4BQT42ZE

pith:2019:4BQT42ZEHPL7I444ECF42PLKRL

not attested not anchored not stored refs pending

GalactICS with Gas

C. Carignan, L. M. Widrow, N. Deg, T. Randriamampandry

arxiv:1904.12700 v1 · 2019-04-29 · 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{4BQT42ZEHPL7I444ECF42PLKRL}

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	2026-05-17T23:46:46.828247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0613e6b243bd7f4739c208bcd3d6a8ade22b6edf75f78f9b25dbd83432de3c0

Aliases

arxiv: 1904.12700 · arxiv_version: 1904.12700v1 · doi: 10.48550/arxiv.1904.12700 · pith_short_12: 4BQT42ZEHPL7 · pith_short_16: 4BQT42ZEHPL7I444 · pith_short_8: 4BQT42ZE

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/4BQT42ZEHPL7I444ECF42PLKRL \
  | 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: e0613e6b243bd7f4739c208bcd3d6a8ade22b6edf75f78f9b25dbd83432de3c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cce00187f6427652f915b6bde2431c08ddf9397f10c226eda00d6e15afea6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T13:27:30Z",
    "title_canon_sha256": "29495a1a21596662991dcab65c10c51174761e7a0c80b303e4cf3d72a3f5664c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12700",
    "kind": "arxiv",
    "version": 1
  }
}