Pith Number

pith:53JRWXWX

pith:2016:53JRWXWXLYCHXHK5OBE2GR7ANK

not attested not anchored not stored refs pending

The Distribution of Mass Surface Densities in a High-Mass Protocluster

Bo Ma, Jonathan C. Tan, Jouni Kainulainen, Michael J. Butler, Wanggi Lim

arxiv:1605.09320 v2 · 2016-05-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53JRWXWXLYCHXHK5OBE2GR7ANK}

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	2026-05-18T01:04:05.490560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed31b5ed75e047b9d5d7049a347e06a968b11fe57ef023f6c45b55a843d3e12

Aliases

arxiv: 1605.09320 · arxiv_version: 1605.09320v2 · doi: 10.48550/arxiv.1605.09320 · pith_short_12: 53JRWXWXLYCH · pith_short_16: 53JRWXWXLYCHXHK5 · pith_short_8: 53JRWXWX

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/53JRWXWXLYCHXHK5OBE2GR7ANK \
  | 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: eed31b5ed75e047b9d5d7049a347e06a968b11fe57ef023f6c45b55a843d3e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84416f853053fcc369b83b1d11492289cfc8955057bb704aaa593bcbb0fc779",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-30T16:52:18Z",
    "title_canon_sha256": "0c8698658ce6b0752a6a9c4bd4f5e85c26757900617ff2b93ee6b7b9ecedd181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09320",
    "kind": "arxiv",
    "version": 2
  }
}