Pith Number

pith:TJSKMVPZ

pith:2011:TJSKMVPZXCZ3QI35E5GG3STFDO

not attested not anchored not stored refs pending

Very Early Photometry of SN 1998S: Physical Parameters and Date of Explosion

H. Poon, J. C. S. Pun, J. Y. Wei, T. Y. Lam, Y. L. Qiu

arxiv:1109.0899 v3 · 2011-09-05 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJSKMVPZXCZ3QI35E5GG3STFDO}

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	2026-05-18T00:56:54.193757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a64a655f9b8b3b8237d274c6dca651b95d52cc061080488fc2579f420e8a4d9

Aliases

arxiv: 1109.0899 · arxiv_version: 1109.0899v3 · doi: 10.48550/arxiv.1109.0899 · pith_short_12: TJSKMVPZXCZ3 · pith_short_16: TJSKMVPZXCZ3QI35 · pith_short_8: TJSKMVPZ

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/TJSKMVPZXCZ3QI35E5GG3STFDO \
  | 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: 9a64a655f9b8b3b8237d274c6dca651b95d52cc061080488fc2579f420e8a4d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d947d70d8dfa1dab7b0db57f7e1fa6fbeb50ae26a86866920a46a5436a30ee9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-05T13:45:45Z",
    "title_canon_sha256": "35eab3e75043b0c8d6d8fa378d7ffa4302996868280069a88008de8f9c740516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0899",
    "kind": "arxiv",
    "version": 3
  }
}