Pith Number

pith:BCWYTC4T

pith:2012:BCWYTC4TB2GC2RFFDM62T5BPI2

not attested not anchored not stored refs pending

Near-Nucleus Photometry of Outbursting Comet 17P/Holmes

David Jewitt, Rachel Stevenson

arxiv:1209.2165 v1 · 2012-09-10 · 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{BCWYTC4TB2GC2RFFDM62T5BPI2}

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	2026-05-18T01:54:37.295721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ad898b930e8c2d44a51b3da9f42f46b59f7d32d060d972a86d1bfe88802ade

Aliases

arxiv: 1209.2165 · arxiv_version: 1209.2165v1 · doi: 10.48550/arxiv.1209.2165 · pith_short_12: BCWYTC4TB2GC · pith_short_16: BCWYTC4TB2GC2RFF · pith_short_8: BCWYTC4T

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/BCWYTC4TB2GC2RFFDM62T5BPI2 \
  | 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: 08ad898b930e8c2d44a51b3da9f42f46b59f7d32d060d972a86d1bfe88802ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ed38efa3ba5ae71a12c9656ac654efb16a20e312e15b84762581a59b254bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-09-10T22:11:49Z",
    "title_canon_sha256": "911e0e9e114bba5b236e39b51a5b219f1efe79878d51b722d958796bcf526951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2165",
    "kind": "arxiv",
    "version": 1
  }
}