Pith Number

pith:MMG6ESR5

pith:2012:MMG6ESR5QKLYQWCYCTZ2F3J2ZL

not attested not anchored not stored refs pending

NOAO 4-m Telescopes for Future Surveys

David Schlegel, Michael Sholl

arxiv:1203.0590 v1 · 2012-03-03 · 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{MMG6ESR5QKLYQWCYCTZ2F3J2ZL}

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	2026-05-18T04:00:51.187145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630de24a3d829788585814f3a2ed3acaece0373d2b3b2e82b1413c996caa9eec

Aliases

arxiv: 1203.0590 · arxiv_version: 1203.0590v1 · doi: 10.48550/arxiv.1203.0590 · pith_short_12: MMG6ESR5QKLY · pith_short_16: MMG6ESR5QKLYQWCY · pith_short_8: MMG6ESR5

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/MMG6ESR5QKLYQWCYCTZ2F3J2ZL \
  | 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: 630de24a3d829788585814f3a2ed3acaece0373d2b3b2e82b1413c996caa9eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53aaaca7340e4293ed1202ad43337229815865fed14c347e1c724df13b327cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-03T00:07:01Z",
    "title_canon_sha256": "ba15ce4959822056a89ba8a9da4b51e04ac12444d3581b7651a068e83d37e1cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0590",
    "kind": "arxiv",
    "version": 1
  }
}