Pith Number

pith:O4PJGUVI

pith:2013:O4PJGUVIWFLHTD6FCHEDOJAIQK

not attested not anchored not stored refs pending

All Weather Calibration of Wide Field Optical and NIR Surveys

Abhijit Saha, Christopher W. Stubbs, Chuck Claver, Darren DePoy, David L. Burke, Jenna Claver, Lynne Jones, R. Chris Smith, T. Axelrod, Zeljko Ivezic

arxiv:1312.1916 v1 · 2013-12-06 · 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{O4PJGUVIWFLHTD6FCHEDOJAIQK}

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	2026-05-18T03:05:00.961083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771e9352a8b156798fc511c837240882898e86a5c272ae5dcfeabdf708045ee5

Aliases

arxiv: 1312.1916 · arxiv_version: 1312.1916v1 · doi: 10.48550/arxiv.1312.1916 · pith_short_12: O4PJGUVIWFLH · pith_short_16: O4PJGUVIWFLHTD6F · pith_short_8: O4PJGUVI

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/O4PJGUVIWFLHTD6FCHEDOJAIQK \
  | 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: 771e9352a8b156798fc511c837240882898e86a5c272ae5dcfeabdf708045ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671c9a58b0cbf2854e58b7ffbecc403d641e7c0df1e7cf6dd940a46045f77975",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-12-06T16:42:42Z",
    "title_canon_sha256": "0ac1a3099981f8ab4155854d25abbbf452f4afc2eddbaede759abb2c9e19b6b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1916",
    "kind": "arxiv",
    "version": 1
  }
}