Pith Number

pith:FEJX75AV

pith:2011:FEJX75AVG3NNSLNLJPUAYWD5TV

not attested not anchored not stored refs pending

How Future Space-Based Weak Lensing Surveys Might Obtain Photometric Redshifts Independently

Marcin Sawicki, Robert Sorba

arxiv:1101.4635 v2 · 2011-01-24 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEJX75AVG3NNSLNLJPUAYWD5TV}

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	2026-05-18T02:03:22.860933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29137ff41536dad92dab4be80c587d9d7e6472037e6c4ed82825bc75567558f9

Aliases

arxiv: 1101.4635 · arxiv_version: 1101.4635v2 · doi: 10.48550/arxiv.1101.4635 · pith_short_12: FEJX75AVG3NN · pith_short_16: FEJX75AVG3NNSLNL · pith_short_8: FEJX75AV

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/FEJX75AVG3NNSLNLJPUAYWD5TV \
  | 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: 29137ff41536dad92dab4be80c587d9d7e6472037e6c4ed82825bc75567558f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dddd20fc819edbae41ef14ee737292700597f3a3a47bb5b2a0374d635876d7e2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-24T19:59:54Z",
    "title_canon_sha256": "296a26eaebd407ed0c00a30b005c9c6b943e15f1f24efe5a0c66d9ed049edacd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4635",
    "kind": "arxiv",
    "version": 2
  }
}