Pith Number

pith:BJNM6GPK

pith:2011:BJNM6GPKOZJHRMAAJQGVFINWVF

not attested not anchored not stored refs pending

Seeing in the dark -- I. Multi-epoch alchemy

Christopher M. Hirata, David Schlegel, Eric M. Huff, Rachel Mandelbaum, Robert H. Lupton, Uros Seljak

arxiv:1111.6958 v1 · 2011-11-29 · 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{BJNM6GPKOZJHRMAAJQGVFINWVF}

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	2026-05-18T01:26:49.382506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5acf19ea765278b0004c0d52a1b6a9487fa9ade9bd887d267724d3d9a2cd47

Aliases

arxiv: 1111.6958 · arxiv_version: 1111.6958v1 · doi: 10.48550/arxiv.1111.6958 · pith_short_12: BJNM6GPKOZJH · pith_short_16: BJNM6GPKOZJHRMAA · pith_short_8: BJNM6GPK

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/BJNM6GPKOZJHRMAAJQGVFINWVF \
  | 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: 0a5acf19ea765278b0004c0d52a1b6a9487fa9ade9bd887d267724d3d9a2cd47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7097e8540bc4d253162eed17d621c72b33a21590bfea525e7eecb4775f2cbe64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-29T20:24:18Z",
    "title_canon_sha256": "5ed391c47bf45e09587238e386a6ffc26d853268decfc50b872c785602ead458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6958",
    "kind": "arxiv",
    "version": 1
  }
}