Pith Number

pith:PTJQZYBQ

pith:2011:PTJQZYBQKVGJSBZLTSGOLP3HFT

not attested not anchored not stored refs pending

Dust in Comet C/2007 N3 (Lulin)

Bailey Brown, Charles E. Woodward, David E. Harker, Erin Lee Ryan, Ludmilla Kolokolova, Megan Krejny, Michael L. Sitko, Michael S. Kelley, Terry Jay Jones

arxiv:1103.0593 v2 · 2011-03-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTJQZYBQKVGJSBZLTSGOLP3HFT}

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	2026-05-18T02:03:00.633604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd30ce030554c99072b9c8ce5bf672cdafca46a8b7c5d7daf98b012416a26f5

Aliases

arxiv: 1103.0593 · arxiv_version: 1103.0593v2 · doi: 10.48550/arxiv.1103.0593 · pith_short_12: PTJQZYBQKVGJ · pith_short_16: PTJQZYBQKVGJSBZL · pith_short_8: PTJQZYBQ

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/PTJQZYBQKVGJSBZLTSGOLP3HFT \
  | 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: 7cd30ce030554c99072b9c8ce5bf672cdafca46a8b7c5d7daf98b012416a26f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e8ef1d19250b47470e24693d8fc07e6428ece3df22ada9fbdc17bcbd41c303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-03T01:41:25Z",
    "title_canon_sha256": "61291fb4377cfc1f389c53855551e6ee2fc3f9a1dfabea6457983f6a70086172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0593",
    "kind": "arxiv",
    "version": 2
  }
}