Pith Number

pith:276PCOMN

pith:1997:276PCOMNZWFBLJON27S74BM5PQ

not attested not anchored not stored refs pending

High-redshift galaxies, their active nuclei and central black holes

Cambridge), Martin G. Haehnelt, Martin J. Rees (IoA, Priyamvada Natarajan

arxiv:astro-ph/9712259 v1 · 1997-12-18 · 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{276PCOMNZWFBLJON27S74BM5PQ}

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	2026-05-18T01:40:14.623027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7fcf1398dcd8a15a5cdd7e5fe059d7c3a4f504aebfd4232383c3e35786a2dfe

Aliases

arxiv: astro-ph/9712259 · arxiv_version: astro-ph/9712259v1 · doi: 10.48550/arxiv.astro-ph/9712259 · pith_short_12: 276PCOMNZWFB · pith_short_16: 276PCOMNZWFBLJON · pith_short_8: 276PCOMN

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/276PCOMNZWFBLJON27S74BM5PQ \
  | 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: d7fcf1398dcd8a15a5cdd7e5fe059d7c3a4f504aebfd4232383c3e35786a2dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c49c610be22adb41934d763b780a0c715c0f96c933b7be69ae9c78d00dd4f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-18T18:45:54Z",
    "title_canon_sha256": "7d8128619bd66c4affabbe5ed754d714a2e747999d0482cd25afca172880839e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712259",
    "kind": "arxiv",
    "version": 1
  }
}