Pith Number

pith:VEPH45DY

pith:2011:VEPH45DYLZJV6ZFMRTT2TTZJDI

not attested not anchored not stored refs pending

On the Nature of the Progenitor of the Type Ia SN2011fe in M101

Jifeng Liu, Maxwell Moe, Rosanne Di Stefano, Tao Wang

arxiv:1110.2506 v1 · 2011-10-11 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEPH45DYLZJV6ZFMRTT2TTZJDI}

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	2026-05-18T02:00:13.488396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91e7e74785e535f64ac8ce7a9cf291a1a45a46a2f39b683ad3c2057fb7e2ffe

Aliases

arxiv: 1110.2506 · arxiv_version: 1110.2506v1 · doi: 10.48550/arxiv.1110.2506 · pith_short_12: VEPH45DYLZJV · pith_short_16: VEPH45DYLZJV6ZFM · pith_short_8: VEPH45DY

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/VEPH45DYLZJV6ZFMRTT2TTZJDI \
  | 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: a91e7e74785e535f64ac8ce7a9cf291a1a45a46a2f39b683ad3c2057fb7e2ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d302948ca29be7571af8c2d41ae06bfd99733ff070c4f38b06a1cadbacb86ac0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-11T20:41:31Z",
    "title_canon_sha256": "add577265b51519d72b7e9521e162d2adf1928a2617984a6ea262cc5d4594c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2506",
    "kind": "arxiv",
    "version": 1
  }
}