Pith Number

pith:SQODHGE4

pith:1995:SQODHGE462FIWHM56SZT3UG4JK

not attested not anchored not stored refs pending

The morphological identification of the rapidly evolving population of faint galaxies

Basilio Santiago (Institute of Astronomy, Cambridge), Karl Glazebrook, Richard Ellis, Richard Griffiths (Johns Hopkins University)

arxiv:astro-ph/9503101 v2 · 1995-03-28 · 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{SQODHGE462FIWHM56SZT3UG4JK}

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	2026-05-18T01:12:44.184204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941c33989cf68a8b1d9df4b33dd0dc4ab9affef3bdcf0227a7b5cda5b7dc516d

Aliases

arxiv: astro-ph/9503101 · arxiv_version: astro-ph/9503101v2 · doi: 10.48550/arxiv.astro-ph/9503101 · pith_short_12: SQODHGE462FI · pith_short_16: SQODHGE462FIWHM5 · pith_short_8: SQODHGE4

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/SQODHGE462FIWHM56SZT3UG4JK \
  | 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: 941c33989cf68a8b1d9df4b33dd0dc4ab9affef3bdcf0227a7b5cda5b7dc516d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2dccfc8a9167462291e33e133c2d586b1bc4d9771ea8fe377e414958883309",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-28T14:18:00Z",
    "title_canon_sha256": "89a3bb5fbaa6f3072e34503a675e3964aab3a63412d97fac94ac71e544ac9a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503101",
    "kind": "arxiv",
    "version": 2
  }
}