Pith Number

pith:WEYZE25M

pith:2013:WEYZE25MTGV65Y4UHLCJNJHRQW

not attested not anchored not stored refs pending

Hubble Space Telescope spectra of the type Ia supernova SN2011fe: a tail of low-density, high-velocity material with Z<Zsolar

Avishay Gal-Yam, D. Andrew Howell, Emma Walker, Jeff Cooke, Kate Maguire, Ken Nomoto, Mark Sullivan, Paolo Mazzali, Peter E. Nugent, Richard Ellis, Rollin Thomas, Stephan Hachinger

arxiv:1305.2356 v2 · 2013-05-10 · astro-ph.CO · 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{WEYZE25MTGV65Y4UHLCJNJHRQW}

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.

Cited by

1 paper in Pith

Type Ia supernovae

Receipt and verification

First computed	2026-05-18T01:50:03.646602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b131926bac99abeee3943ac496a4f185a9457341f53b12fb2f0859bec98625f2

Aliases

arxiv: 1305.2356 · arxiv_version: 1305.2356v2 · doi: 10.48550/arxiv.1305.2356 · pith_short_12: WEYZE25MTGV6 · pith_short_16: WEYZE25MTGV65Y4U · pith_short_8: WEYZE25M

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/WEYZE25MTGV65Y4UHLCJNJHRQW \
  | 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: b131926bac99abeee3943ac496a4f185a9457341f53b12fb2f0859bec98625f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf0fe7d16c9d6d402b1de47347d5c02df73ee61abac4d8dd2a1812d1774ef60",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-10T14:49:54Z",
    "title_canon_sha256": "74ab66f78309695700b69558b4a2ffa97e7ecb445b6aa3699cc19b68e0c57341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2356",
    "kind": "arxiv",
    "version": 2
  }
}