Pith Number

pith:YRDZP5VD

pith:2005:YRDZP5VDSIGJNLLJKIUP2GZH3Q

not attested not anchored not stored refs pending

Chandra's tryst with SN 1995N

2), (2) Tata Institute of Fundamental Research, (3) Harvard-Smithsonian Center for Astrophysics, (4) Technical University of Munich, (5) Max-Planck Institute for Extraterrestrial Physics), Alak Ray (2), Eric M. Schlegel (3), Firoza K. Sutaria (4), Indian Institute of Science, Poonam Chandra (1, Wolfgang Pietsch (5) ((1) JAP

arxiv:astro-ph/0505051 v1 · 2005-05-03 · 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{YRDZP5VDSIGJNLLJKIUP2GZH3Q}

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	2026-07-04T16:52:18.848878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44797f6a3920c96ad695228fd1b27dc085d9c4ef1995733eabcb62858d20811

Aliases

arxiv: astro-ph/0505051 · arxiv_version: astro-ph/0505051v1 · doi: 10.48550/arxiv.astro-ph/0505051 · pith_short_12: YRDZP5VDSIGJ · pith_short_16: YRDZP5VDSIGJNLLJ · pith_short_8: YRDZP5VD

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/YRDZP5VDSIGJNLLJKIUP2GZH3Q \
  | 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: c44797f6a3920c96ad695228fd1b27dc085d9c4ef1995733eabcb62858d20811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a85c9f13fb8536127c97e084e70d151527b7b479ce07c2eebfbe50a48ab23c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-03T10:35:13Z",
    "title_canon_sha256": "aba84031b2caa7c4c54a6620ce0a3c4db30e5ad9c5618ef5553d56cdee8fb85f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505051",
    "kind": "arxiv",
    "version": 1
  }
}