Pith Number

pith:2XOMQOBU

pith:2015:2XOMQOBUUY7ESMDF6RGI4CSSEI

not attested not anchored not stored refs pending

Constraints on the Binary Companion to the SN Ic 1994I Progenitor

Emmanouil Zapartas, Schuyler D. Van Dyk, Selma E. de Mink

arxiv:1601.00002 v1 · 2015-12-31 · astro-ph.SR · astro-ph.CO · 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{2XOMQOBUUY7ESMDF6RGI4CSSEI}

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	2026-05-18T01:20:40.710289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5dcc83834a63e493065f44c8e0a5222159aca3cf54ac5821a051f21931d7359

Aliases

arxiv: 1601.00002 · arxiv_version: 1601.00002v1 · doi: 10.48550/arxiv.1601.00002 · pith_short_12: 2XOMQOBUUY7E · pith_short_16: 2XOMQOBUUY7ESMDF · pith_short_8: 2XOMQOBU

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/2XOMQOBUUY7ESMDF6RGI4CSSEI \
  | 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: d5dcc83834a63e493065f44c8e0a5222159aca3cf54ac5821a051f21931d7359

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a3f6e831814f51f435cdf638c4b88abc79ee3cf1f533f51dd5809ed5d28442",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-31T21:00:01Z",
    "title_canon_sha256": "15ec605764350377cc338d68b45009b18661dbe526a40432b9de5ceaf2711529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00002",
    "kind": "arxiv",
    "version": 1
  }
}