Pith Number

pith:IVHHX5R2

pith:2005:IVHHX5R2DM7PGCW7X2HBHFHKAH

not attested not anchored not stored refs pending

A Chandra X-ray observation of the globular cluster Terzan 1

C. O. Heinke, D. Pooley, E. M. Cackett (University of St Andrews), J. E. Grindlay, J. M. Miller, P. D. Edmonds, P. G. Jonker, R. Wijnands, W. H. G. Lewin

arxiv:astro-ph/0512168 v2 · 2005-12-06 · 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{IVHHX5R2DM7PGCW7X2HBHFHKAH}

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	2026-07-04T16:53:07.848194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454e7bf63a1b3ef30adfbe8e1394ea01c3f2572656cbe11b3decf49c690e5a6f

Aliases

arxiv: astro-ph/0512168 · arxiv_version: astro-ph/0512168v2 · doi: 10.48550/arxiv.astro-ph/0512168 · pith_short_12: IVHHX5R2DM7P · pith_short_16: IVHHX5R2DM7PGCW7 · pith_short_8: IVHHX5R2

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/IVHHX5R2DM7PGCW7X2HBHFHKAH \
  | 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: 454e7bf63a1b3ef30adfbe8e1394ea01c3f2572656cbe11b3decf49c690e5a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1864b3adba576a658fe964f32cf8d80f7ae0ec947880823d2d2150efb69d82b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-06T23:05:44Z",
    "title_canon_sha256": "15830b93c666d706a94f789cd5d5008babeffac3455aff801305f30fbf12cfaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512168",
    "kind": "arxiv",
    "version": 2
  }
}