Pith Number

pith:AFRUQEX7

pith:2017:AFRUQEX77RDSZURMAPWSWSR4XF

not attested not anchored not stored refs pending

Extended Schmidt law holds for faint dwarf irregular galaxies

Jayaram N. Chengalur, Sambit Roychowdhury, Yong Shi

arxiv:1708.02298 v1 · 2017-08-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFRUQEX77RDSZURMAPWSWSR4XF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:28:45.396103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01634812fffc472cd22c03ed2b4a3cb942f351f27abae2269556c6ab955c9822

Aliases

arxiv: 1708.02298 · arxiv_version: 1708.02298v1 · doi: 10.48550/arxiv.1708.02298 · pith_short_12: AFRUQEX77RDS · pith_short_16: AFRUQEX77RDSZURM · pith_short_8: AFRUQEX7

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/AFRUQEX77RDSZURMAPWSWSR4XF \
  | 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: 01634812fffc472cd22c03ed2b4a3cb942f351f27abae2269556c6ab955c9822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62e834dcbb84d04a1a301f275c30fe80ff201599b37953c42afdec318a76d3e9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-07T20:43:59Z",
    "title_canon_sha256": "4163444361d933beabf1225fdd529468aa85e642f51ab75d9d3b5e17dc2f4590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02298",
    "kind": "arxiv",
    "version": 1
  }
}