Pith Number

pith:OXOB2TMS

pith:2014:OXOB2TMS6UIOQA6Q7KIHJMNTTF

not attested not anchored not stored refs pending

Possible binary progenitors for the type Ib supernova iPTF13bvn

J. J. Eldridge, Justyn R. Maund, Morgan Fraser, Stephen J. Smartt

arxiv:1408.4142 v1 · 2014-08-18 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXOB2TMS6UIOQA6Q7KIHJMNTTF}

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	2026-05-18T01:42:17.784404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75dc1d4d92f510e803d0fa9074b1b3995a5ac1abe45db882d44ef1bff5a48128

Aliases

arxiv: 1408.4142 · arxiv_version: 1408.4142v1 · doi: 10.48550/arxiv.1408.4142 · pith_short_12: OXOB2TMS6UIO · pith_short_16: OXOB2TMS6UIOQA6Q · pith_short_8: OXOB2TMS

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/OXOB2TMS6UIOQA6Q7KIHJMNTTF \
  | 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: 75dc1d4d92f510e803d0fa9074b1b3995a5ac1abe45db882d44ef1bff5a48128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b57089b5e48adcbe7f3819c5ecfb69340edfde9da47c7e1c77e7bf511fc2790e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-18T20:12:55Z",
    "title_canon_sha256": "3c85aee1f59f97fe1b74e7c43b0c36b64b98d56cecfaac4c809bfe471106923b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4142",
    "kind": "arxiv",
    "version": 1
  }
}