Pith Number

pith:2IIOUWPD

pith:2015:2IIOUWPDZPSV2DMMVL6AWUBVIR

not attested not anchored not stored refs pending

Star formation efficiency along the radio jet in Centaurus A

Fran\c{c}oise Combes, Ian Heywood, Philippe Salom\'e, Quentin Salom\'e, Stephen Hamer

arxiv:1511.04310 v2 · 2015-11-13 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IIOUWPDZPSV2DMMVL6AWUBVIR}

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	2026-05-18T01:21:51.875049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d210ea59e3cbe55d0d8caafc0b5035446c85281c5d9b674197a735b32e332def

Aliases

arxiv: 1511.04310 · arxiv_version: 1511.04310v2 · doi: 10.48550/arxiv.1511.04310 · pith_short_12: 2IIOUWPDZPSV · pith_short_16: 2IIOUWPDZPSV2DMM · pith_short_8: 2IIOUWPD

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/2IIOUWPDZPSV2DMMVL6AWUBVIR \
  | 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: d210ea59e3cbe55d0d8caafc0b5035446c85281c5d9b674197a735b32e332def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0620b2a38cfe5ef3c1980e8e2a58e9b425f2af539d9e701f9dfb8831401e02c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-13T15:23:03Z",
    "title_canon_sha256": "28a175a0e7dd0395e30194bd91fcd3874a6557353d10971f3178f8d7e6386d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04310",
    "kind": "arxiv",
    "version": 2
  }
}