Pith Number

pith:PDMHREMT

pith:2010:PDMHREMTSXL4R4WA55TXSFBKF3

not attested not anchored not stored refs pending

Pre-discovery and Follow-up Observations of the Nearby SN 2009nr: Implications for Prompt Type Ia SNe

B. Pilecki, D. M. Szczygiel, G. Pojmanski, J. D. Eastman, J. F. Beacom, J. L. Prieto, K. Mogren, K. Z. Stanek, P. Martini, R. Stoll, Rubab Khan

arxiv:1008.4126 v4 · 2010-08-24 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDMHREMTSXL4R4WA55TXSFBKF3}

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	2026-05-18T02:05:43.152487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d878919395d7c8f2c0ef6779142a2ec7b9d759e3a4391516230cb3b0da94b2

Aliases

arxiv: 1008.4126 · arxiv_version: 1008.4126v4 · doi: 10.48550/arxiv.1008.4126 · pith_short_12: PDMHREMTSXL4 · pith_short_16: PDMHREMTSXL4R4WA · pith_short_8: PDMHREMT

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/PDMHREMTSXL4R4WA55TXSFBKF3 \
  | 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: 78d878919395d7c8f2c0ef6779142a2ec7b9d759e3a4391516230cb3b0da94b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77217bd06e469cf103c97b9431be69a222b88b97b1ef2fec20ea19f5c9a537d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-24T20:00:01Z",
    "title_canon_sha256": "fda00ea474d10a95697c4edbcad6d5ee3d3f74f1978fcd5a42e93c4cd495b811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4126",
    "kind": "arxiv",
    "version": 4
  }
}