Pith Number

pith:J7PBVDPO

pith:2015:J7PBVDPORFCCJFU2DKBXWO5CAP

not attested not anchored not stored refs pending

Accurate PSF-matched photometry and photometric redshifts for the Extreme Deep Field with the Chebyshev-Fourier functions

2), (2) Instituto de Astrof\'isica de Andaluc\'ia (CSIC), 3), (3) Instituto de Astronomia, A. Molino (2, Brazil, Brazil), C. A. C. Fernandes (1) ((1) Observat\'orio Nacional, Geof\'isica e Ci\^encias Atmosf\'ericas, Granada, N. Ben\'itez (2), Rio de Janeiro, Spain, Universidade de S\~ao Paulo, Y. Jim\'enez-Teja (1

arxiv:1507.04750 v1 · 2015-07-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7PBVDPORFCCJFU2DKBXWO5CAP}

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	2026-05-18T01:33:42.455135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fde1a8dee894424969a1a837b3ba203f3ccd091f14dc02aa041f3f4ff203231

Aliases

arxiv: 1507.04750 · arxiv_version: 1507.04750v1 · doi: 10.48550/arxiv.1507.04750 · pith_short_12: J7PBVDPORFCC · pith_short_16: J7PBVDPORFCCJFU2 · pith_short_8: J7PBVDPO

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/J7PBVDPORFCCJFU2DKBXWO5CAP \
  | 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: 4fde1a8dee894424969a1a837b3ba203f3ccd091f14dc02aa041f3f4ff203231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7fb0f71e516cdc682c939ea44e228307bb112443690477d939df9e00bb84c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-16T20:00:39Z",
    "title_canon_sha256": "1c28cdc21f86325e97f1beb38a2b29329f71489a00cafba49347aceffb63f4bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04750",
    "kind": "arxiv",
    "version": 1
  }
}