Pith Number

pith:AJLOD7SP

pith:2018:AJLOD7SPPA4TF6HCLFVSX4W7IL

not attested not anchored not stored refs pending

Type Ia supernovae have two physical width-luminosity relations and they favor sub-Chandrasekhar and direct collision models - II. Color evolution

Boaz Katz, Nahliel Wygoda, Yonatan Elbaz

arxiv:1805.06907 v2 · 2018-05-17 · 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{AJLOD7SPPA4TF6HCLFVSX4W7IL}

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	2026-05-17T23:55:07.723450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0256e1fe4f783932f8e2596b2bf2df42f4c67df6eecd2848f7d93f6bdab8a843

Aliases

arxiv: 1805.06907 · arxiv_version: 1805.06907v2 · doi: 10.48550/arxiv.1805.06907 · pith_short_12: AJLOD7SPPA4T · pith_short_16: AJLOD7SPPA4TF6HC · pith_short_8: AJLOD7SP

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/AJLOD7SPPA4TF6HCLFVSX4W7IL \
  | 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: 0256e1fe4f783932f8e2596b2bf2df42f4c67df6eecd2848f7d93f6bdab8a843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be227e40da16f0152c42179ebcbb0e68ed3737630c3584bef1ef5fba038097e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-17T18:00:20Z",
    "title_canon_sha256": "9dd3981fe1b9b436f6134f80d1f3dcf3fba1632a2f3be2f0b1429aefb57004b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06907",
    "kind": "arxiv",
    "version": 2
  }
}