Pith Number

pith:7BADXHLS

pith:2015:7BADXHLSHXBCS4UH6GA5HA4RYV

not attested not anchored not stored refs pending

Dynamical measurement of the stellar surface density of face-on galaxies

Benoit Famaey, Garry W. Angus, Gianfranco Gentile

arxiv:1510.05150 v1 · 2015-10-17 · 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{7BADXHLSHXBCS4UH6GA5HA4RYV}

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	2026-05-18T01:24:17.990695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8403b9d723dc2297287f181d38391c552ebe1a286170f25ee41d6f7b922a78b

Aliases

arxiv: 1510.05150 · arxiv_version: 1510.05150v1 · doi: 10.48550/arxiv.1510.05150 · pith_short_12: 7BADXHLSHXBC · pith_short_16: 7BADXHLSHXBCS4UH · pith_short_8: 7BADXHLS

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/7BADXHLSHXBCS4UH6GA5HA4RYV \
  | 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: f8403b9d723dc2297287f181d38391c552ebe1a286170f25ee41d6f7b922a78b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b3fe4dc277f69d4a5d9369d2ff3a6ddfcb02b46f43063d2568aedec934be188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-17T17:45:54Z",
    "title_canon_sha256": "86fd81ab3ca9c088651cc83888c284fd521079d19032d1e4d2c0ac8a8fb26a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05150",
    "kind": "arxiv",
    "version": 1
  }
}