Pith Number

pith:B3ENGBVB

pith:2019:B3ENGBVB7OJWKHAC6J46ZWKQWT

not attested not anchored not stored refs pending

Confirming interstellar C$_{60}^+$ using the Hubble Space Telescope

B. H. Foing, C. R. Proffitt, F. Najarro, H. Linnartz, J. Cami, M. A. Cordiner, N. L. J. Cox, P. Ehrenfreund, P. J. Sarre, R. Lallement, S. B. Charnley, T. R. Gull

arxiv:1904.08821 v2 · 2019-04-18 · 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{B3ENGBVB7OJWKHAC6J46ZWKQWT}

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	2026-05-17T23:47:24.799110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec8d306a1fb93651c02f279ecd950b4c60110e8908250c9520db8836a6b9204

Aliases

arxiv: 1904.08821 · arxiv_version: 1904.08821v2 · doi: 10.48550/arxiv.1904.08821 · pith_short_12: B3ENGBVB7OJW · pith_short_16: B3ENGBVB7OJWKHAC · pith_short_8: B3ENGBVB

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/B3ENGBVB7OJWKHAC6J46ZWKQWT \
  | 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: 0ec8d306a1fb93651c02f279ecd950b4c60110e8908250c9520db8836a6b9204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d84e8d3fa621601e59520143108d9862b90a9b6f3e14a74d390d225fdefbf7e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-18T14:55:47Z",
    "title_canon_sha256": "56e63273747a8c736decbbb4c7161374588617e200cf42ea4584de5ace18748f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08821",
    "kind": "arxiv",
    "version": 2
  }
}