Pith Number

pith:EKB6HRRY

pith:2004:EKB6HRRYZF7RD4BMZTP3HREBP4

not attested not anchored not stored refs pending

Molecular Evolution in Collapsing Prestellar Cores III: Contraction of A Bonnor-Ebert Sphere

Eric Herbst, Helen Roberts, Paola Caselli, Yuri Aikawa

arxiv:astro-ph/0410582 v1 · 2004-10-25 · 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{EKB6HRRYZF7RD4BMZTP3HREBP4}

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	2026-07-04T16:45:02.326760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2283e3c638c97f11f02cccdfb3c4817f2f3ef213e02a95bf04a7508be1b63cd6

Aliases

arxiv: astro-ph/0410582 · arxiv_version: astro-ph/0410582v1 · doi: 10.48550/arxiv.astro-ph/0410582 · pith_short_12: EKB6HRRYZF7R · pith_short_16: EKB6HRRYZF7RD4BM · pith_short_8: EKB6HRRY

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/EKB6HRRYZF7RD4BMZTP3HREBP4 \
  | 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: 2283e3c638c97f11f02cccdfb3c4817f2f3ef213e02a95bf04a7508be1b63cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2440d4850ba5b286a24a3a91a183c536cab21a3ced705145e57a2b79557c7165",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-25T04:59:28Z",
    "title_canon_sha256": "f286a7fa646d9bf4fdc3a3e8fd0c7c55a6ea991205f003ca1ebf209e7a3e831c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410582",
    "kind": "arxiv",
    "version": 1
  }
}