Pith Number

pith:Z2MLGUP4

pith:1995:Z2MLGUP44OVHJTCPC757N7OAWV

not attested not anchored not stored refs pending

H I, H II, and R-Band Observations of a Galactic Merger Sequence

J.E. Hibbard (IfA), J.H. van Gorkom (Columbia Univ)

arxiv:astro-ph/9512035 v1 · 1995-12-07 · 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{Z2MLGUP44OVHJTCPC757N7OAWV}

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

An emerging baryon cycle in a galaxy 500 million years after the Big Bang

Receipt and verification

First computed	2026-07-04T15:58:09.827335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce98b351fce3aa74cc4f17fbf6fdc0b554eb5087ee62146fc3ecc0ff65d6517e

Aliases

arxiv: astro-ph/9512035 · arxiv_version: astro-ph/9512035v1 · doi: 10.48550/arxiv.astro-ph/9512035 · pith_short_12: Z2MLGUP44OVH · pith_short_16: Z2MLGUP44OVHJTCP · pith_short_8: Z2MLGUP4

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/Z2MLGUP44OVHJTCPC757N7OAWV \
  | 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: ce98b351fce3aa74cc4f17fbf6fdc0b554eb5087ee62146fc3ecc0ff65d6517e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd4829c692119f75c7be40eee5565ead37c9b211c9cf3a4fe09fccef8f35a84",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-12-07T09:57:09Z",
    "title_canon_sha256": "38864f388cc70ca5c3a899701afc234d1c8c6736ae8777f0bdc110636e9505df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9512035",
    "kind": "arxiv",
    "version": 1
  }
}