Pith Number

pith:2DIDFTRD

pith:2001:2DIDFTRDPP4RCXEKCHV2UKJIG7

not attested not anchored not stored refs pending

A Multiwavelength Study of Stephan's Quintet

C. Xu, D. Dultzin-Hacyan, G. Trinchieri, Jack W. Sulentic, L. Verdes-Montenegro, M. Rosado, W. Pietsch

arxiv:astro-ph/0111155 v1 · 2001-11-07 · 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{2DIDFTRDPP4RCXEKCHV2UKJIG7}

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	2026-07-04T16:24:25.631053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d032ce237bf9115c8a11ebaa292837ed5c482ded60d2086a38ed3e11260892

Aliases

arxiv: astro-ph/0111155 · arxiv_version: astro-ph/0111155v1 · doi: 10.48550/arxiv.astro-ph/0111155 · pith_short_12: 2DIDFTRDPP4R · pith_short_16: 2DIDFTRDPP4RCXEK · pith_short_8: 2DIDFTRD

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/2DIDFTRDPP4RCXEKCHV2UKJIG7 \
  | 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: d0d032ce237bf9115c8a11ebaa292837ed5c482ded60d2086a38ed3e11260892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98211029579219188eda4ad4df69ea4227991b7e87ac3146caf8fcfabb4d3a7e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-07T22:58:15Z",
    "title_canon_sha256": "8e811ac9d4aff0f633020d254c1e8796dc569f26d6a0b596a3ac4362515db678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111155",
    "kind": "arxiv",
    "version": 1
  }
}