Pith Number

pith:CM3RMWIJ

pith:2012:CM3RMWIJJTSWQUNR5QYAXLFY55

not attested not anchored not stored refs pending

Calibrating [OII] star-formation rates at z>1 from dual H\alpha-[OII] imaging from HiZELS

David Sobral, Ian Smail, Masao Hayashi, Philip N. Best, Tadayuki Kodama

arxiv:1212.4905 v1 · 2012-12-20 · 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{CM3RMWIJJTSWQUNR5QYAXLFY55}

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	2026-05-18T01:52:30.072105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13371659094ce56851b1ec300bacb8ef6ace7ddc68ba528a226ab14b8951d25d

Aliases

arxiv: 1212.4905 · arxiv_version: 1212.4905v1 · doi: 10.48550/arxiv.1212.4905 · pith_short_12: CM3RMWIJJTSW · pith_short_16: CM3RMWIJJTSWQUNR · pith_short_8: CM3RMWIJ

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/CM3RMWIJJTSWQUNR5QYAXLFY55 \
  | 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: 13371659094ce56851b1ec300bacb8ef6ace7ddc68ba528a226ab14b8951d25d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c2aa690025e42eacea643779338ea6172969467885bce6ad7235301d126b20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-20T01:52:49Z",
    "title_canon_sha256": "83e1321e1930ec69e7418f4c8fef6fac383d0a73b629302d431d96ee9a930a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4905",
    "kind": "arxiv",
    "version": 1
  }
}