Pith Number

pith:TQKOYNXA

pith:2007:TQKOYNXAETN2C66DBOI4R77TBA

not attested not anchored not stored refs pending

Deepest Near-IR Surface Photometry of Galaxies in the Local Sphere of Influence

Emma Kirby, Helmut Jerjen, Simon Driver, Stuart Ryder

arxiv:0709.2192 v1 · 2007-09-14 · 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{TQKOYNXAETN2C66DBOI4R77TBA}

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	2026-05-18T02:16:11.261684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c14ec36e024dba17bc30b91c8fff308176208620f5b934cb784f68747da8c0f

Aliases

arxiv: 0709.2192 · arxiv_version: 0709.2192v1 · doi: 10.48550/arxiv.0709.2192 · pith_short_12: TQKOYNXAETN2 · pith_short_16: TQKOYNXAETN2C66D · pith_short_8: TQKOYNXA

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/TQKOYNXAETN2C66DBOI4R77TBA \
  | 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: 9c14ec36e024dba17bc30b91c8fff308176208620f5b934cb784f68747da8c0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1fec15be0972d1510210c06d1547546a5228bc92f0699f28c2ef3f7dc0b22c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-14T04:20:18Z",
    "title_canon_sha256": "b38ad337ab483909ee6fc1f95a1a9e74294335646c5155345d6055aac9550ac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.2192",
    "kind": "arxiv",
    "version": 1
  }
}