Pith Number

pith:Y3FWM6Z4

pith:2014:Y3FWM6Z4BMWXXDKI3UWTOI7ORD

not attested not anchored not stored refs pending

The 2D Distribution of Iron Rich Ejecta in the Remnant of SN 1885 in M31

Andrew J.S. Hamilton, Peter Hoeflich, Robert A. Fesen

arxiv:1412.3815 v3 · 2014-12-11 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3FWM6Z4BMWXXDKI3UWTOI7ORD}

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	2026-05-18T02:03:34.992912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6cb667b3c0b2d7b8d48dd2d3723ee88e6cf17137fbc34ad160dc842c11517ff

Aliases

arxiv: 1412.3815 · arxiv_version: 1412.3815v3 · doi: 10.48550/arxiv.1412.3815 · pith_short_12: Y3FWM6Z4BMWX · pith_short_16: Y3FWM6Z4BMWXXDKI · pith_short_8: Y3FWM6Z4

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/Y3FWM6Z4BMWXXDKI3UWTOI7ORD \
  | 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: c6cb667b3c0b2d7b8d48dd2d3723ee88e6cf17137fbc34ad160dc842c11517ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bfde33370344271988bafa99d865370d9eaf3a6dcce7398ac42e2e90b71b13b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-11T21:01:02Z",
    "title_canon_sha256": "c3db0e4d10a6cfc5e61691ee9effe8e40ddc72f65eff11f297b0c590263a567b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3815",
    "kind": "arxiv",
    "version": 3
  }
}