Pith Number

pith:45RFWR3O

pith:2005:45RFWR3OP47YDKQYX2RVY6KOJN

not attested not anchored not stored refs pending

The INT Photometric H-alpha Survey of the Northern Galactic Plane (IPHAS)

IPHAS collaboration, Janet E. Drew, M. J. Irwin, R. Greimel

arxiv:astro-ph/0506726 v1 · 2005-06-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45RFWR3OP47YDKQYX2RVY6KOJN}

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	2026-07-04T17:15:41.845408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7625b476e7f3f81aa18bea35c794e4b713576a614533fbc3e77e9e4e9f73c61

Aliases

arxiv: astro-ph/0506726 · arxiv_version: astro-ph/0506726v1 · doi: 10.48550/arxiv.astro-ph/0506726 · pith_short_12: 45RFWR3OP47Y · pith_short_16: 45RFWR3OP47YDKQY · pith_short_8: 45RFWR3O

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/45RFWR3OP47YDKQYX2RVY6KOJN \
  | 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: e7625b476e7f3f81aa18bea35c794e4b713576a614533fbc3e77e9e4e9f73c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff04f3f54a2b9ebb3775aa5e0be07a00a446358fb8bfcbee081b9fabcf4a972",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-29T15:27:59Z",
    "title_canon_sha256": "4eeae039eb7538e1d0e468796f94136c667523b1554b274bb1ea2c57502f2b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506726",
    "kind": "arxiv",
    "version": 1
  }
}