Pith Number

pith:7E2YHQAK

pith:2007:7E2YHQAKKNYYFXXQZLI3HOL77K

not attested not anchored not stored refs pending

Velocity distribution of collapsing starless cores, L694-2 and L1197

Chang Won Lee, Hyung Mok Lee, Jungjoo Sohn, Seok Ho Lee, Yong-Sun Park

arxiv:astro-ph/0702330 v1 · 2007-02-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7E2YHQAKKNYYFXXQZLI3HOL77K}

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	2026-05-18T04:29:06.578944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93583c00a537182def0cad1b3b97ffaa4290aed4f218145d5e60c2b9a71f278

Aliases

arxiv: astro-ph/0702330 · arxiv_version: astro-ph/0702330v1 · doi: 10.48550/arxiv.astro-ph/0702330 · pith_short_12: 7E2YHQAKKNYY · pith_short_16: 7E2YHQAKKNYYFXXQ · pith_short_8: 7E2YHQAK

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/7E2YHQAKKNYYFXXQZLI3HOL77K \
  | 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: f93583c00a537182def0cad1b3b97ffaa4290aed4f218145d5e60c2b9a71f278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9848dc7f9a155498ad6925c9027726374e049e4a7a6e271320f8111fbd4d8b05",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-13T02:15:55Z",
    "title_canon_sha256": "e6c4dce9002e840ba9ca7445dfb74756d80bf0ec2f722d3e9ff1728d5664a8e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702330",
    "kind": "arxiv",
    "version": 1
  }
}