Pith Number

pith:AQMZBPZD

pith:2000:AQMZBPZDIQTPC4H63VAI55EVSG

not attested not anchored not stored refs pending

[OII]3727 Emission from the Companion to the Quasar BR 1202-0725 at z=4.7

C. Simpson, F. Iwamuro, H. Terada, K. Motohara, K. Ohta, M. Goto, M. Iye, M. Yoshida, R. Hata (Kyoto University), T. Maihara, T. Matsumoto, T. Taguchi, T. Takata (National Astronomical Observatory)

arxiv:astro-ph/0003107 v1 · 2000-03-08 · 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{AQMZBPZDIQTPC4H63VAI55EVSG}

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	2026-05-18T01:40:48.195787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041990bf234426f170fedd408ef49591a0c91c3bd93bfba27a6cff14ce8088c9

Aliases

arxiv: astro-ph/0003107 · arxiv_version: astro-ph/0003107v1 · doi: 10.48550/arxiv.astro-ph/0003107 · pith_short_12: AQMZBPZDIQTP · pith_short_16: AQMZBPZDIQTPC4H6 · pith_short_8: AQMZBPZD

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/AQMZBPZDIQTPC4H63VAI55EVSG \
  | 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: 041990bf234426f170fedd408ef49591a0c91c3bd93bfba27a6cff14ce8088c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c045151f22a12c660d879bdcef78e9d82980806e044623c54c849603ca54b844",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-08T10:44:01Z",
    "title_canon_sha256": "ec17fea07cac1e83cf7a794be3f468b8bcea4396eed343041ca8df57f28f763a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003107",
    "kind": "arxiv",
    "version": 1
  }
}