Pith Number

pith:ZC74DI2D

pith:2011:ZC74DI2DUCUYN5SXGYRGWP3YY7

not attested not anchored not stored refs pending

Galaxy pairs in the Sloan Digital Sky Survey - IV: Interactions trigger AGN

David R. Patton, Jillian M. Scudder, J. Trevor Mendel, Sara L. Ellison

arxiv:1108.2711 v1 · 2011-08-12 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZC74DI2DUCUYN5SXGYRGWP3YY7}

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	2026-05-18T02:00:54.507838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bfc1a343a0a986f65736226b3f78c7c04f5135fdb95bbdb1e6e0f54534ab78

Aliases

arxiv: 1108.2711 · arxiv_version: 1108.2711v1 · doi: 10.48550/arxiv.1108.2711 · pith_short_12: ZC74DI2DUCUY · pith_short_16: ZC74DI2DUCUYN5SX · pith_short_8: ZC74DI2D

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/ZC74DI2DUCUYN5SXGYRGWP3YY7 \
  | 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: c8bfc1a343a0a986f65736226b3f78c7c04f5135fdb95bbdb1e6e0f54534ab78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c292a40cdb19d5235a3ec3a38c33cbd276ee0bc02e509aaf12b223ea424d88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-12T20:08:15Z",
    "title_canon_sha256": "224ea59f12be399535d086fbdea467d9bf173ce3d15d63c0d5b6c57f2dbe62d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2711",
    "kind": "arxiv",
    "version": 1
  }
}