Pith Number

pith:MWPISY2O

pith:2011:MWPISY2O2FR5OTOE5BI4OXEMU3

not attested not anchored not stored refs pending

Searching for star-forming galaxies in the Fornax and Hydra clusters

C. Kehrig, E. Unda-Sanzana, J. M. Vilchez, O. Vaduvescu

arxiv:1108.5772 v1 · 2011-08-29 · 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{MWPISY2O2FR5OTOE5BI4OXEMU3}

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	2026-05-18T04:14:28.643292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659e89634ed163d74dc4e851c75c8ca6c097c7e7875b00dda072d992722ef135

Aliases

arxiv: 1108.5772 · arxiv_version: 1108.5772v1 · doi: 10.48550/arxiv.1108.5772 · pith_short_12: MWPISY2O2FR5 · pith_short_16: MWPISY2O2FR5OTOE · pith_short_8: MWPISY2O

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/MWPISY2O2FR5OTOE5BI4OXEMU3 \
  | 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: 659e89634ed163d74dc4e851c75c8ca6c097c7e7875b00dda072d992722ef135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f480f53d7deed90ffbf5a24bce7910edcfcde6e48c98aed9e67cb6bbf7f1aeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-29T22:36:14Z",
    "title_canon_sha256": "433a315db06dc49510c11b81e35afb2d9065b0092bb79041884a71477aa27488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5772",
    "kind": "arxiv",
    "version": 1
  }
}