Pith Number

pith:N5VVPUMY

pith:2000:N5VVPUMYTNUN2NUET23YH2ZJMX

not attested not anchored not stored refs pending

The HI Content of Spirals. II. Gas Deficiency in Cluster Galaxies

Alberto Manrique (2), Carlos Garcia-Gomez (1), Guillermo Gonzalez-Casado (3), Jose M. Solanes (1), Martha P. Haynes (4) ((1) URV, Riccardo Giovanelli (4), Spain; (2) UB, Spain; (3) UPC, Spain; (4) Cornell Univ.)

arxiv:astro-ph/0007402 v1 · 2000-07-26 · 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{N5VVPUMYTNUN2NUET23YH2ZJMX}

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

A machine learning approach to estimating HI deficiency in galaxies

Receipt and verification

First computed	2026-07-04T16:16:57.506527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6b57d1989b68dd36849eb783eb2965ded186addf0f7f396150164cf083ecdf

Aliases

arxiv: astro-ph/0007402 · arxiv_version: astro-ph/0007402v1 · doi: 10.48550/arxiv.astro-ph/0007402 · pith_short_12: N5VVPUMYTNUN · pith_short_16: N5VVPUMYTNUN2NUE · pith_short_8: N5VVPUMY

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/N5VVPUMYTNUN2NUET23YH2ZJMX \
  | 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: 6f6b57d1989b68dd36849eb783eb2965ded186addf0f7f396150164cf083ecdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1aa06095c6e92404a35ba2a01e5d0c9e836352b1a8b3ce3e5ee2e500af863e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-26T18:22:47Z",
    "title_canon_sha256": "dd7c83fb03c03f15c891b2fdfda835a6274507efb8b9d464e34a463196ee7fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007402",
    "kind": "arxiv",
    "version": 1
  }
}