Pith Number

pith:D4UXOJKQ

pith:2017:D4UXOJKQESR56QT7NRJW47MLJL

not attested not anchored not stored refs pending

Improving Catalogue Matching By Supplementing Astrometry with Additional Photometric Information

Tim Naylor, Tom J. Wilson

arxiv:1710.04896 v2 · 2017-10-13 · astro-ph.SR · astro-ph.GA · 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{D4UXOJKQESR56QT7NRJW47MLJL}

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	2026-05-18T00:06:41.366331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2977255024a3df427f6c536e7d8b4ada42efbf228db655fd16d70416ce3985

Aliases

arxiv: 1710.04896 · arxiv_version: 1710.04896v2 · doi: 10.48550/arxiv.1710.04896 · pith_short_12: D4UXOJKQESR5 · pith_short_16: D4UXOJKQESR56QT7 · pith_short_8: D4UXOJKQ

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/D4UXOJKQESR56QT7NRJW47MLJL \
  | 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: 1f2977255024a3df427f6c536e7d8b4ada42efbf228db655fd16d70416ce3985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f7bba83eb629111b88b4c081693f9cbf111772241692a225b4e0abf69368ea",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-13T12:51:51Z",
    "title_canon_sha256": "c75ad7e6e2fb9e77cee475176de53bde7dd720350cc97643489741fb0bade8ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04896",
    "kind": "arxiv",
    "version": 2
  }
}