Pith Number

pith:55OMCMBO

pith:2002:55OMCMBOTCPXVZPAI3OGZO6NTB

not attested not anchored not stored refs pending

Initial Optical Results for the ChaMPlane Survey

(2) Indiana University), Eric Schlegel (1), Haldan Cohn (2), Jaesub Hong (1), Johnathan Jenkins (1), Jonathan Grindlay (1), Peter Edmonds (1), Phyllis Lugger (2)((1) Harvard-Smithsonian Center for Astrophysics, Ping Zhao (1)

arxiv:astro-ph/0211528 v1 · 2002-11-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55OMCMBOTCPXVZPAI3OGZO6NTB}

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	2026-05-18T01:40:39.932131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5cc1302e989f7ae5e046dc6cbbcd984bf346d104b2c26c11e07882de3999c0

Aliases

arxiv: astro-ph/0211528 · arxiv_version: astro-ph/0211528v1 · doi: 10.48550/arxiv.astro-ph/0211528 · pith_short_12: 55OMCMBOTCPX · pith_short_16: 55OMCMBOTCPXVZPA · pith_short_8: 55OMCMBO

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/55OMCMBOTCPXVZPAI3OGZO6NTB \
  | 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: ef5cc1302e989f7ae5e046dc6cbbcd984bf346d104b2c26c11e07882de3999c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb31f892c2319b33c287a7392cdf6e3e283fbb6fdb226ef69a2108f373d813b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-25T03:31:30Z",
    "title_canon_sha256": "7882ffd50abcfa0ee066a9dcc17e5c93f13dcc095adebe1446e2ba87dc1c25f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211528",
    "kind": "arxiv",
    "version": 1
  }
}