Pith Number

pith:HPEGVSXC

pith:2004:HPEGVSXCTYXEPBXDZHOXZ3DFXN

not attested not anchored not stored refs pending

Modulations in the radio light curve of the Type IIb Supernova 2001ig: Evidence for a Wolf-Rayet binary progenitor?

4) ((1) AAO (2) U. Sydney (3) ATNF (4) NRL (5) ESA/STScI (6) Marquette Univ.), Christopher Stockdale (6, Elaine M. Sadler (2), Kurt W. Weiler (4), Nino Panagia (5), Ravi Subrahmanyan (3), Stuart D. Ryder (1)

arxiv:astro-ph/0401135 v1 · 2004-01-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPEGVSXCTYXEPBXDZHOXZ3DFXN}

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	2026-05-18T04:27:04.701948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc86acae29e2e4786e3c9dd7cec65bb5df0a72f3853406036a816dcd6c7fb5e

Aliases

arxiv: astro-ph/0401135 · arxiv_version: astro-ph/0401135v1 · doi: 10.48550/arxiv.astro-ph/0401135 · pith_short_12: HPEGVSXCTYXE · pith_short_16: HPEGVSXCTYXEPBXD · pith_short_8: HPEGVSXC

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/HPEGVSXCTYXEPBXDZHOXZ3DFXN \
  | 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: 3bc86acae29e2e4786e3c9dd7cec65bb5df0a72f3853406036a816dcd6c7fb5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a07bc862b4d1e954bd2f1982e17743696adb54307d523224cce5b5247b34c1a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-08T22:11:22Z",
    "title_canon_sha256": "6172ff5eb40411ebfef934b9379acd45b2ed1ddefe8b8fbe65d5be1a19da72d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401135",
    "kind": "arxiv",
    "version": 1
  }
}