Pith Number

pith:HQGICPSS

pith:2011:HQGICPSS426ZV7BNWMAAIVRJQS

not attested not anchored not stored refs pending

Chemical Abundances of the Secondary Star in the Black Hole X-Ray Binary V404 Cygni

Alexei V. Filippenko, Garik Israelian, Jonay I. Gonz\'alez Hern\'andez, Jorge Casares, Rafael Rebolo, Ryan Chornock

arxiv:1106.4278 v2 · 2011-06-21 · astro-ph.GA · 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{HQGICPSS426ZV7BNWMAAIVRJQS}

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	2026-05-18T02:01:32.289510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0c813e52e6bd9afc2db30004562984acc3bfbd53d13a7d7b3612a1f539b4c2

Aliases

arxiv: 1106.4278 · arxiv_version: 1106.4278v2 · doi: 10.48550/arxiv.1106.4278 · pith_short_12: HQGICPSS426Z · pith_short_16: HQGICPSS426ZV7BN · pith_short_8: HQGICPSS

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/HQGICPSS426ZV7BNWMAAIVRJQS \
  | 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: 3c0c813e52e6bd9afc2db30004562984acc3bfbd53d13a7d7b3612a1f539b4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272bbd5b76179c64d44781d52b8334d8fb47e7e37c91a18d658171078c042aa5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-06-21T17:41:58Z",
    "title_canon_sha256": "496fc981c42868ad3ceb3487c66f5d32e4ef0486cc1e3f575eb296a1e17e6e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4278",
    "kind": "arxiv",
    "version": 2
  }
}