Pith Number

pith:APKHYRAW

pith:2020:APKHYRAW27ZS7RTXLDBHHR5KYE

not attested not anchored not stored refs pending

The Mass-Size Relation and the Constancy of GMC Surface Densities in the Milky Way

C.J. Lada, T.M. Dame

arxiv:2006.08632 v2 · 2020-06-15 · 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{APKHYRAW27ZS7RTXLDBHHR5KYE}

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	2026-07-05T01:21:05.050864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d47c4416d7f32fc67758c273c7aac139347314a3c9881079f3e7b5ed2cd0a8

Aliases

arxiv: 2006.08632 · arxiv_version: 2006.08632v2 · doi: 10.48550/arxiv.2006.08632 · pith_short_12: APKHYRAW27ZS · pith_short_16: APKHYRAW27ZS7RTX · pith_short_8: APKHYRAW

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/APKHYRAW27ZS7RTXLDBHHR5KYE \
  | 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: 03d47c4416d7f32fc67758c273c7aac139347314a3c9881079f3e7b5ed2cd0a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd771faecaf2a8a1b413ab12ee5d5fcd271a1caf8ff9442df9a9b91163081b88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-15T18:00:04Z",
    "title_canon_sha256": "f0d3b22ef2117952c0d876682383dff4c883b360920f41e935deacffa3a98fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08632",
    "kind": "arxiv",
    "version": 2
  }
}