Pith Number

pith:IUS6UMLR

pith:2013:IUS6UMLRECCGAAHLESR3EQJFPK

not attested not anchored not stored refs pending

Polarimetric studies of Comet C/2009 P1 (Garradd)

A. Chakraborty, B. J. Medhi, G. Bertrang, H. S. Das, P. Deb Roy, S. Wolf

arxiv:1309.6960 v1 · 2013-09-26 · 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{IUS6UMLRECCGAAHLESR3EQJFPK}

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	2026-05-18T01:47:26.100726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4525ea317120846000eb24a3b241257aa4b0ecd08a268e1979b285bebaefd4d2

Aliases

arxiv: 1309.6960 · arxiv_version: 1309.6960v1 · doi: 10.48550/arxiv.1309.6960 · pith_short_12: IUS6UMLRECCG · pith_short_16: IUS6UMLRECCGAAHL · pith_short_8: IUS6UMLR

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/IUS6UMLRECCGAAHLESR3EQJFPK \
  | 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: 4525ea317120846000eb24a3b241257aa4b0ecd08a268e1979b285bebaefd4d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54ae5c915d09678c997a1feeba7ffc55017d069f7a98dd00653154c38c6df1fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-26T16:28:38Z",
    "title_canon_sha256": "ed55b5cab1101cbb72c7fc86e1114d4c2a1ab06b1779c7fdf755dd9f45e13e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6960",
    "kind": "arxiv",
    "version": 1
  }
}