Pith Number

pith:LQJW5IKT

pith:2011:LQJW5IKT5IGLRACPEYBAXDHNU4

not attested not anchored not stored refs pending

Discovery of Variability of the Progenitor of SN 2011dh in M51 Using the Large Binocular Telescope

C. S. Kochanek, D. M. Szczygie{\l}, J. R. Gerke, K. Z. Stanek

arxiv:1110.2783 v1 · 2011-10-12 · astro-ph.CO · 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{LQJW5IKT5IGLRACPEYBAXDHNU4}

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	2026-05-18T02:00:12.997262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c136ea153ea0cb8804f26020b8ceda71049e7f9ab327529a78481f762cd6bf7

Aliases

arxiv: 1110.2783 · arxiv_version: 1110.2783v1 · doi: 10.48550/arxiv.1110.2783 · pith_short_12: LQJW5IKT5IGL · pith_short_16: LQJW5IKT5IGLRACP · pith_short_8: LQJW5IKT

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/LQJW5IKT5IGLRACPEYBAXDHNU4 \
  | 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: 5c136ea153ea0cb8804f26020b8ceda71049e7f9ab327529a78481f762cd6bf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e77730624f8bcb4c149924c7774a9065b238e93672d3bb8fc0b644b80a8ad11",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-12T20:00:02Z",
    "title_canon_sha256": "0469c4be8a4215fa0c0883c151e1ee1bfe0584fc1b5b964a6dec5fda7d5aea46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2783",
    "kind": "arxiv",
    "version": 1
  }
}