Pith Number

pith:VQZFUZ3F

pith:2013:VQZFUZ3FPM5ZBJWNYKAGZ2QJS3

not attested not anchored not stored refs pending

Stars were born in significantly denser regions in the early Universe

Alireza Rahmati, Jarle Brinchmann, Maryam Shirazi

arxiv:1307.4758 v3 · 2013-07-17 · 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{VQZFUZ3FPM5ZBJWNYKAGZ2QJS3}

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.

Cited by

1 paper in Pith

Interstellar dust production, destruction and effects of dust depletion in galaxies

Receipt and verification

First computed	2026-05-18T01:48:43.263998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac325a67657b3b90a6cdc2806cea0996d85b9747458ea4fbb115994519c5807f

Aliases

arxiv: 1307.4758 · arxiv_version: 1307.4758v3 · doi: 10.48550/arxiv.1307.4758 · pith_short_12: VQZFUZ3FPM5Z · pith_short_16: VQZFUZ3FPM5ZBJWN · pith_short_8: VQZFUZ3F

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/VQZFUZ3FPM5ZBJWNYKAGZ2QJS3 \
  | 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: ac325a67657b3b90a6cdc2806cea0996d85b9747458ea4fbb115994519c5807f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6958b2e3155156966ccdb5312aed58e1d2a9764094319b575a802c3b3f83a50d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-17T20:00:02Z",
    "title_canon_sha256": "195c1bfe8dc0f3df007c1ad62bc9758f11036143e609f297d4f6ee5dc7600ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4758",
    "kind": "arxiv",
    "version": 3
  }
}