Pith Number

pith:PCIPDDCJ

pith:2013:PCIPDDCJCKPU2BBW6KHUAQXVA7

not attested not anchored not stored refs pending

How can star formation be sustained?

Filippo Fraternali (University of Bologna)

arxiv:1310.2956 v1 · 2013-10-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCIPDDCJCKPU2BBW6KHUAQXVA7}

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	2026-05-18T01:47:06.754955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7890f18c49129f4d0436f28f4042f507f28be09e5626b28bfd4a83e91922d6a5

Aliases

arxiv: 1310.2956 · arxiv_version: 1310.2956v1 · doi: 10.48550/arxiv.1310.2956 · pith_short_12: PCIPDDCJCKPU · pith_short_16: PCIPDDCJCKPU2BBW · pith_short_8: PCIPDDCJ

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/PCIPDDCJCKPU2BBW6KHUAQXVA7 \
  | 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: 7890f18c49129f4d0436f28f4042f507f28be09e5626b28bfd4a83e91922d6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea7d689f72d72052ca99225f3375677dd8306c77d0d650e3127a0a189c88ed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-10T20:26:00Z",
    "title_canon_sha256": "e6a6f840543ab445fbe74899d6811252c3255915095c268bb60bddb0460fc7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2956",
    "kind": "arxiv",
    "version": 1
  }
}