Pith Number

pith:FX4WNXB2

pith:2015:FX4WNXB26CHEO7UXKAUU35WJTD

not attested not anchored not stored refs pending

Hierarchical fragmentation and collapse signatures in a high-mass starless region

H. Beuther, H. Linz, R.J. Smith, R. Kuiper, S. Bihr, S.E. Ragan, S. Feng, Th. Henning, T. Sakai

arxiv:1508.01540 v1 · 2015-08-03 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX4WNXB26CHEO7UXKAUU35WJTD}

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	2026-05-18T01:32:28.257949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df966dc3af08e477e9750294df6c998f94ba100d4d05b80ef36dcf9bcb020ed

Aliases

arxiv: 1508.01540 · arxiv_version: 1508.01540v1 · doi: 10.48550/arxiv.1508.01540 · pith_short_12: FX4WNXB26CHE · pith_short_16: FX4WNXB26CHEO7UX · pith_short_8: FX4WNXB2

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/FX4WNXB26CHEO7UXKAUU35WJTD \
  | 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: 2df966dc3af08e477e9750294df6c998f94ba100d4d05b80ef36dcf9bcb020ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da1711f7d070fab0a40b966e0c457b52006f9e67fe258ec4d45faf722d2522d8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-03T09:36:53Z",
    "title_canon_sha256": "e5cbe9f4b865f8fea2eb9fcf233604ba415aa3e6a19e1ccce7713eb18a154b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01540",
    "kind": "arxiv",
    "version": 1
  }
}