Pith Number

pith:64MB25FS

pith:2009:64MB25FSZIAV52WG75DP67O6QM

not attested not anchored not stored refs pending

Catastrophic photometric redshift errors: weak lensing survey requirements

Dragan Huterer (Michigan), Gary Bernstein (Penn)

arxiv:0902.2782 v1 · 2009-02-16 · 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{64MB25FSZIAV52WG75DP67O6QM}

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	2026-07-04T17:20:27.129038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7181d74b2ca015eeac6ff46ff7dde831d35eafe05b09190fbd3439ef2a53277

Aliases

arxiv: 0902.2782 · arxiv_version: 0902.2782v1 · doi: 10.48550/arxiv.0902.2782 · pith_short_12: 64MB25FSZIAV · pith_short_16: 64MB25FSZIAV52WG · pith_short_8: 64MB25FS

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/64MB25FSZIAV52WG75DP67O6QM \
  | 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: f7181d74b2ca015eeac6ff46ff7dde831d35eafe05b09190fbd3439ef2a53277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f7c0c68fb155866a2fb3d6eb56c637790a0640229233fe1fba7dab265db9f02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-16T22:33:39Z",
    "title_canon_sha256": "10c8ee51692cdd09d7b8aeb4d721ab2cca3b7f385797f35c8bec4ceacd03f4eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2782",
    "kind": "arxiv",
    "version": 1
  }
}