Pith Number

pith:WDK37AL6

pith:2015:WDK37AL6V2BOE56KQO3DLKDZ4I

not attested not anchored not stored refs pending

Possible detection of singly-ionized oxygen in the Type Ia SN 2010kg

Barnabas Barna, G. Howie Marion, J. Craig Wheeler, Jeffrey M. Silverman, Jozsef Vinko

arxiv:1509.06550 v2 · 2015-09-22 · 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{WDK37AL6V2BOE56KQO3DLKDZ4I}

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	2026-05-18T01:21:30.952564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d5bf817eae82e277ca83b635a879e21f9e05fa85341fbc34eb3d5780477630

Aliases

arxiv: 1509.06550 · arxiv_version: 1509.06550v2 · doi: 10.48550/arxiv.1509.06550 · pith_short_12: WDK37AL6V2BO · pith_short_16: WDK37AL6V2BOE56K · pith_short_8: WDK37AL6

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/WDK37AL6V2BOE56KQO3DLKDZ4I \
  | 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: b0d5bf817eae82e277ca83b635a879e21f9e05fa85341fbc34eb3d5780477630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c71e73a782d4e801e882934f6f71ecfae77b352b747546833988913faca36f4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-22T11:21:50Z",
    "title_canon_sha256": "c8e8521f0b34e039aad09a4a1660abd786cedb1813a562f8f7d01f1a1abe1cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06550",
    "kind": "arxiv",
    "version": 2
  }
}