Pith Number

pith:FCC4H4U5

pith:2018:FCC4H4U5OIK35ORBX2XPOHE2ZY

not attested not anchored not stored refs pending

A machine--vision method for automatic classification of stellar halo substructure

Bodhisattva Sen, David Hendel, Kathryn V. Johnston, Rohit K. Patra

arxiv:1811.10613 v1 · 2018-11-26 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCC4H4U5OIK35ORBX2XPOHE2ZY}

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	2026-05-17T23:47:59.012056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2885c3f29d7215beba21beaef71c9ace39df6143c76a504d692503010e14c9f0

Aliases

arxiv: 1811.10613 · arxiv_version: 1811.10613v1 · doi: 10.48550/arxiv.1811.10613 · pith_short_12: FCC4H4U5OIK3 · pith_short_16: FCC4H4U5OIK35ORB · pith_short_8: FCC4H4U5

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/FCC4H4U5OIK35ORBX2XPOHE2ZY \
  | 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: 2885c3f29d7215beba21beaef71c9ace39df6143c76a504d692503010e14c9f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71462f41151e71cf2a2d9baa148d0ec2efe00aaa58201360251d81ce61a7bd92",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T19:00:00Z",
    "title_canon_sha256": "fb4232877ecd7aa1d2705693d849658c6ab1e2dc2181eeac235bfacc1c72ba82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10613",
    "kind": "arxiv",
    "version": 1
  }
}