Pith Number

pith:3PNSM4NG

pith:2014:3PNSM4NGYSRSXNUF3PCTURSHGL

not attested not anchored not stored refs pending

A Study of Dust and Gas at Mars from Comet C/2013 A1 (Siding Spring)

Davide Farnocchia, Dennis Bodewits, Michael S. P. Kelley, Pasquale Tricarico, Tony L. Farnham

arxiv:1408.2792 v2 · 2014-08-12 · 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{3PNSM4NGYSRSXNUF3PCTURSHGL}

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	2026-05-18T01:42:21.291534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdb2671a6c4a32bb685dbc53a464732d77abde1d145a97af590d83162e0a4bb

Aliases

arxiv: 1408.2792 · arxiv_version: 1408.2792v2 · doi: 10.48550/arxiv.1408.2792 · pith_short_12: 3PNSM4NGYSRS · pith_short_16: 3PNSM4NGYSRSXNUF · pith_short_8: 3PNSM4NG

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/3PNSM4NGYSRSXNUF3PCTURSHGL \
  | 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: dbdb2671a6c4a32bb685dbc53a464732d77abde1d145a97af590d83162e0a4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ab6cc3396a5aa837b98aa2e6546bff039d8d047be6cccf94282752a1e7f9b1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-08-12T18:21:16Z",
    "title_canon_sha256": "bcd8064c3ddadeec53d32bb1e88a530984f08effb1970834b9a0f94490c24e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2792",
    "kind": "arxiv",
    "version": 2
  }
}