Pith Number

pith:ASLX63J5

pith:2009:ASLX63J5LRMFVVLTVT3BDQJGYN

not attested not anchored not stored refs pending

Photometric Redshift Estimation Using Spectral Connectivity Analysis

(2) Dept of physics, A. B. Lee (1), Astronomy, C. M. Schafer (1) ((1) Dept of Statistics, CMU, J. A. Newman (2), J. W. Richards (1), P. E. Freeman (1), University of Pittsburgh)

arxiv:0906.0995 v1 · 2009-06-04 · 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{ASLX63J5LRMFVVLTVT3BDQJGYN}

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	2026-05-18T02:13:28.911963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04977f6d3d5c585ad573acf611c126c3482080906564738792ae5e46c6f9b229

Aliases

arxiv: 0906.0995 · arxiv_version: 0906.0995v1 · doi: 10.48550/arxiv.0906.0995 · pith_short_12: ASLX63J5LRMF · pith_short_16: ASLX63J5LRMFVVLT · pith_short_8: ASLX63J5

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/ASLX63J5LRMFVVLTVT3BDQJGYN \
  | 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: 04977f6d3d5c585ad573acf611c126c3482080906564738792ae5e46c6f9b229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7bcfec3e231da46b6cf1947eb4b1f4d45d6a8756134acd0619fed92a735b29",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-04T20:31:56Z",
    "title_canon_sha256": "340920740607aff87d437a3f7880d6529567970c924584b1f75ac7b4134e02e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0995",
    "kind": "arxiv",
    "version": 1
  }
}