Pith Number

pith:BJIOYK2Z

pith:2009:BJIOYK2ZLJYCXFK4SNQOFRDGNX

not attested not anchored not stored refs pending

History of Galaxy Interactions and their Impact on Star Formation over the Last 7 Gyr from GEMS

Aday R. Robaina, Andrea Borch, Boris Haussler, Casey Papovich, Catherine Heymans, Chien Y. Peng, Christian Wolf, Christopher J. Conselice, Daniel H. McIntosh, Eric F.Bell, Fabio D. Barazza, Hans-Walter Rix, John A. R. Caldwell, Klaus Meisenheimer, Knud Jahnke, Kyle Penner, Lutz Wisotzki, Marco Barden, Rachel S. Somerville, Rosalind E. Skelton, Sarah H. Miller, Sebastian F. Sanchez, Shardha Jogee, Steven V.W. Beckwith, Xian Zhong Zheng

arxiv:0903.3700 v1 · 2009-03-22 · 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{BJIOYK2ZLJYCXFK4SNQOFRDGNX}

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	2026-05-18T02:35:00.250734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a50ec2b595a702b955c9360e2c4666df097730f7b1ac3458406fec9abbc2811

Aliases

arxiv: 0903.3700 · arxiv_version: 0903.3700v1 · doi: 10.48550/arxiv.0903.3700 · pith_short_12: BJIOYK2ZLJYC · pith_short_16: BJIOYK2ZLJYCXFK4 · pith_short_8: BJIOYK2Z

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/BJIOYK2ZLJYCXFK4SNQOFRDGNX \
  | 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: 0a50ec2b595a702b955c9360e2c4666df097730f7b1ac3458406fec9abbc2811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46f20d2bba862cb14b31eb330de5dde8375e2aabfeacdf14cb83fb3b37185fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-22T03:36:56Z",
    "title_canon_sha256": "640874ed46ed05b32e0c08b9a2139b501aed792437eaaadf6bf76d2c945849ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3700",
    "kind": "arxiv",
    "version": 1
  }
}