Pith Number

pith:SSC3NET5

pith:2017:SSC3NET5PUX3JQGSB7YV2M5KWJ

not attested not anchored not stored refs pending

Type Ia Supernovae keep memory of their progenitor metallicity

Amedeo Tornambe', Eduardo Bravo, Gabriel Martinez-Pinedo, Inmaculada Dominguez, Luciano Piersanti, Oscar Straniero, Sergio Cristallo

arxiv:1701.06453 v1 · 2017-01-23 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSC3NET5PUX3JQGSB7YV2M5KWJ}

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	2026-05-18T00:50:43.712202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9485b6927d7d2fb4c0d20ff15d33aab276a1ec4aba67ffea446167366701f2fc

Aliases

arxiv: 1701.06453 · arxiv_version: 1701.06453v1 · doi: 10.48550/arxiv.1701.06453 · pith_short_12: SSC3NET5PUX3 · pith_short_16: SSC3NET5PUX3JQGS · pith_short_8: SSC3NET5

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/SSC3NET5PUX3JQGSB7YV2M5KWJ \
  | 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: 9485b6927d7d2fb4c0d20ff15d33aab276a1ec4aba67ffea446167366701f2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afd4f343b25024bfea0211be8689b01f425c1101b64299a1c34410c873394dc7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-23T15:30:48Z",
    "title_canon_sha256": "0ceaed10bbcf70e783fe7cef83e9681a76927c6e6aeb09a3a6a2db0979cc3493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06453",
    "kind": "arxiv",
    "version": 1
  }
}