Pith Number

pith:UBCRLDN3

pith:2010:UBCRLDN3HHOBXLQVKYVQZ4P6NW

not attested not anchored not stored refs pending

Fourteen Months of Observations of the Possible Super-Chandrasekhar Mass Type Ia Supernova 2009dc

Adam A. Miller (1), Alexei V. Filippenko (1), Berkeley, CA), Dovi Poznanski (1) ((1) Department of Astronomy, Jeffrey M. Silverman (1), Mohan Ganeshalingam (1), University of California, Weidong Li (1)

arxiv:1003.2417 v3 · 2010-03-11 · astro-ph.HE · 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{UBCRLDN3HHOBXLQVKYVQZ4P6NW}

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	2026-05-18T02:08:34.844159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a045158dbb39dc1bae15562b0cf1fe6d8953d1debdfbfd4176abed6d3f17972d

Aliases

arxiv: 1003.2417 · arxiv_version: 1003.2417v3 · doi: 10.48550/arxiv.1003.2417 · pith_short_12: UBCRLDN3HHOB · pith_short_16: UBCRLDN3HHOBXLQV · pith_short_8: UBCRLDN3

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/UBCRLDN3HHOBXLQVKYVQZ4P6NW \
  | 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: a045158dbb39dc1bae15562b0cf1fe6d8953d1debdfbfd4176abed6d3f17972d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fecfd6b11fa200c6b789db713162e6d3b0d2c6c8377b21eee15dedf1985dda05",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-03-11T21:00:05Z",
    "title_canon_sha256": "31bd00cc15a4ef080c84d8d64f79f93b62d29325fea6a2bd26afce03995ecb0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2417",
    "kind": "arxiv",
    "version": 3
  }
}