Pith Number

pith:XYCAQ6FM

pith:1997:XYCAQ6FM24TCXLHCNBE3VFW6HT

not attested not anchored not stored refs pending

Global structure and formation of polar-ring galaxies

N.Sotnikova (AI SPbSU), V.Reshetnikov

arxiv:astro-ph/9704047 v1 · 1997-04-04 · 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{XYCAQ6FM24TCXLHCNBE3VFW6HT}

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.

Cited by

1 paper in Pith

FOGGIE: Figuring Out Gas & Galaxies In Enzo XII. The Formation and Evolution of Extended HI Galactic Disks and Warps with a Dynamic Circumgalactic medium

Receipt and verification

First computed	2026-07-04T15:50:38.960926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be040878acd7262bace26849ba96de3cd723aad4b0b4a8c8686c30ce2d17eab4

Aliases

arxiv: astro-ph/9704047 · arxiv_version: astro-ph/9704047v1 · doi: 10.48550/arxiv.astro-ph/9704047 · pith_short_12: XYCAQ6FM24TC · pith_short_16: XYCAQ6FM24TCXLHC · pith_short_8: XYCAQ6FM

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/XYCAQ6FM24TCXLHCNBE3VFW6HT \
  | 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: be040878acd7262bace26849ba96de3cd723aad4b0b4a8c8686c30ce2d17eab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73e5f6fab62eab46aaa54a6c4b1b8c4db20f3cf0f2b514b1c873af5cc5fbd86",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-04T06:32:00Z",
    "title_canon_sha256": "fe734bf7532fd8d6b9eaacbe51531b499e868a5eb4c2434ece1b20f43511271e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704047",
    "kind": "arxiv",
    "version": 1
  }
}