Pith Number

pith:AFNPZUXQ

pith:2003:AFNPZUXQE5BDNTZ4TWFA3M7NZT

not attested not anchored not stored refs pending

The Environment of Passive Spiral Galaxies in the SDSS

Atsuko Nitta (APO), Chisato Yamauchi (NAOJ), Christopher J. Miller (CMU), Dan Long (APO), Eric H. Neilsen, Jon. Brinkmann (APO), Jon Loveday (Sussex), Jurek Krzesinski, Maki Sekiguchi (Tokyo), Mariangela Bernardi (CMU), Michael Harvanek, Percy L. Gomez (CMU), Peter R. Newman, Ravi K. Sheth (Pitt), Sadanori Okamura, Scot.J. Kleinman, Stephanie A. Snedden (APO), Tomotsugu Goto

arxiv:astro-ph/0301303 v2 · 2003-01-16 · 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{AFNPZUXQE5BDNTZ4TWFA3M7NZT}

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	2026-05-18T01:40:39.569442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015afcd2f0274236cf3c9d8a0db3edccc277f688f41cde12c8c6a731c38b0e73

Aliases

arxiv: astro-ph/0301303 · arxiv_version: astro-ph/0301303v2 · doi: 10.48550/arxiv.astro-ph/0301303 · pith_short_12: AFNPZUXQE5BD · pith_short_16: AFNPZUXQE5BDNTZ4 · pith_short_8: AFNPZUXQ

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/AFNPZUXQE5BDNTZ4TWFA3M7NZT \
  | 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: 015afcd2f0274236cf3c9d8a0db3edccc277f688f41cde12c8c6a731c38b0e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ee6ccaa21d63406f2c30558ae51beae703710c4c1fa49b6db6de8ca3be77d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-16T00:17:26Z",
    "title_canon_sha256": "af22e5c1f399de966f8d5902221d5a59fec3279524800e16d564b67ea8b4dd2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301303",
    "kind": "arxiv",
    "version": 2
  }
}