Pith Number

pith:MAPLYSIR

pith:2009:MAPLYSIRJLJCWCZF2V4O6YIBF6

not attested not anchored not stored refs pending

Follow-up observations of Comet 17P/Holmes after its extreme outburst in brightness end of October 2007

C. Ginski, F. Freistetter, M. M. Hohle, M. Mugrauer, M. Vanko

arxiv:0903.4442 v1 · 2009-03-25 · 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{MAPLYSIRJLJCWCZF2V4O6YIBF6}

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	2026-05-18T02:14:25.904296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

601ebc49114ad22b0b25d578ef61012f983c532ca7fb7aec73d1d9ab79d0272c

Aliases

arxiv: 0903.4442 · arxiv_version: 0903.4442v1 · doi: 10.48550/arxiv.0903.4442 · pith_short_12: MAPLYSIRJLJC · pith_short_16: MAPLYSIRJLJCWCZF · pith_short_8: MAPLYSIR

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/MAPLYSIRJLJCWCZF2V4O6YIBF6 \
  | 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: 601ebc49114ad22b0b25d578ef61012f983c532ca7fb7aec73d1d9ab79d0272c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69deb3214a44ae8f0fea486e4bfc2f94689a6fbcb212dc710c92e6cd59245263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-03-25T19:37:32Z",
    "title_canon_sha256": "d0133790c6619e315f227be637c61cb881f6c375b816de874d798770be631172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4442",
    "kind": "arxiv",
    "version": 1
  }
}