Pith Number

pith:DSAGYNWU

pith:2011:DSAGYNWU7CDRV7SVEOZWWWJHSK

not attested not anchored not stored refs pending

Detailed study of B037 based on {\sl HST} images

2) ((1) National Astronomical Observatories, (2) Key Laboratory of Optical Astronomy, Chinese Academy of Sciences, Chinese Academy of Sciences), Jun Ma (1, National Astronomical Observatories

arxiv:1101.1569 v1 · 2011-01-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSAGYNWU7CDRV7SVEOZWWWJHSK}

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	2026-05-18T02:03:43.968943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c806c36d4f8871afe5523b36b592792ad69f947e853f0e4fdd77d01ea92da75

Aliases

arxiv: 1101.1569 · arxiv_version: 1101.1569v1 · doi: 10.48550/arxiv.1101.1569 · pith_short_12: DSAGYNWU7CDR · pith_short_16: DSAGYNWU7CDRV7SV · pith_short_8: DSAGYNWU

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/DSAGYNWU7CDRV7SVEOZWWWJHSK \
  | 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: 1c806c36d4f8871afe5523b36b592792ad69f947e853f0e4fdd77d01ea92da75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e76aaaffc73d30745dbb53b646b9b605675370d69b282041f28d2e98ac7daa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-08T03:21:55Z",
    "title_canon_sha256": "882443b52260ffcbfcfe60edb04983a41df324bcdec5be1605bd29cb0369d96b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1569",
    "kind": "arxiv",
    "version": 1
  }
}