Pith Number

pith:5E5R4A6A

pith:2015:5E5R4A6AA4QQRQV52KAKYBMNOA

not attested not anchored not stored refs pending

Hunting for planets in the HL Tau disk

A. Fontana (Roma), A. Marconi (Firenze), A. Skemer (Arizona), A. Vaz (Arizona), C. Veillet (LBTO), D. Defrere (Arizona), J. Leisenring (Arizona), L. Testi (ESO/Arcetri), M. Skrutskie (Virginia), Ph. Hinz (Arizona), S. Esposito (Arcetri), Th. Henning (MPIA), V. Bailey (Arizona)

arxiv:1509.06068 v1 · 2015-09-20 · 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{5E5R4A6AA4QQRQV52KAKYBMNOA}

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	2026-05-18T01:28:45.876625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93b1e03c0072108c2bdd280ac058d703469e523ee709aa927eea1d25de17d4a

Aliases

arxiv: 1509.06068 · arxiv_version: 1509.06068v1 · doi: 10.48550/arxiv.1509.06068 · pith_short_12: 5E5R4A6AA4QQ · pith_short_16: 5E5R4A6AA4QQRQV5 · pith_short_8: 5E5R4A6A

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/5E5R4A6AA4QQRQV52KAKYBMNOA \
  | 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: e93b1e03c0072108c2bdd280ac058d703469e523ee709aa927eea1d25de17d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f842b4c960c69ce2752a8035578e6d5d25a2c5a6e51b7bec0485392851c0b85a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-20T22:38:53Z",
    "title_canon_sha256": "ad0a9318682800038b82eb10a24571b80e82f0f891fa486634995027a8b9edb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06068",
    "kind": "arxiv",
    "version": 1
  }
}