Pith Number

pith:WVDK2M4R

pith:2019:WVDK2M4RV74FQELPFHCLWXUZKA

not attested not anchored not stored refs pending

Breezing through the space environment of Barnard's Star b

1), (2) Institute for Applied Computational Science, Astronomy, Bates College (5) University of Massachusetts at Lowell, Benjamin P. Brown (3), Cecilia Garraffo (2, Department of Physics & Applied Physics), Harvard University (3) Department of Astrophysical, Jeffrey S. Oishi (4), Jeremy J. Drake (1), Juli\'an D. Alvarado-G\'omez (1), Laboratory for Atmospheric, Ofer Cohen (5) ((1) Center for Astrophysics | Harvard & Smithsonian, Planetary Sciences, Sofia P. Moschou (1), Space Physics, University of Colorado at Boulder (4) Department of Physics

arxiv:1901.00219 v3 · 2019-01-01 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVDK2M4RV74FQELPFHCLWXUZKA}

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	2026-05-17T23:47:58.634287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b546ad3391aff858116f29c4bb5e995036d72fb8adbff4c2676ae1f178ab72f5

Aliases

arxiv: 1901.00219 · arxiv_version: 1901.00219v3 · doi: 10.48550/arxiv.1901.00219 · pith_short_12: WVDK2M4RV74F · pith_short_16: WVDK2M4RV74FQELP · pith_short_8: WVDK2M4R

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/WVDK2M4RV74FQELPFHCLWXUZKA \
  | 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: b546ad3391aff858116f29c4bb5e995036d72fb8adbff4c2676ae1f178ab72f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f4df8efc16830b2d6ecda6f63b3967958ba0c15d3ce1472e13164b239810965",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-01T23:00:34Z",
    "title_canon_sha256": "f1ec2bc7d3ae805b4a3c9fb1a4b2413c04e129af56aef1ee11f3fb8eaebfc6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00219",
    "kind": "arxiv",
    "version": 3
  }
}