Pith Number

pith:OFHMA2HL

pith:2013:OFHMA2HLQMZAN54MDFRAC2R5IH

not attested not anchored not stored refs pending

Evolution of Star Formation in the UKIDSS Ultra Deep Survey Field - I. Luminosity Functions and Cosmic Star Formation Rate out to z=1.6

Alyssa B. Drake, Chris A. Collins, Chris Simpson, Daniel J. B. Smith, David G. Bonfield, Gavin B. Dalton, Ivan K. Baldry, James S. Dunlop, Masami Ouchi, Matt J. Jarvis, Phil A. James, Philip N. Best, Ross J. McLure, Yoshiaki Ono

arxiv:1305.1305 v1 · 2013-05-06 · 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{OFHMA2HLQMZAN54MDFRAC2R5IH}

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	2026-05-18T01:50:11.625773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

714ec068eb833206f78c1962016a3d41d8fddabbe0be7a01b7b0e7b4f8f5c41e

Aliases

arxiv: 1305.1305 · arxiv_version: 1305.1305v1 · doi: 10.48550/arxiv.1305.1305 · pith_short_12: OFHMA2HLQMZA · pith_short_16: OFHMA2HLQMZAN54M · pith_short_8: OFHMA2HL

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/OFHMA2HLQMZAN54MDFRAC2R5IH \
  | 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: 714ec068eb833206f78c1962016a3d41d8fddabbe0be7a01b7b0e7b4f8f5c41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b2aa71758ddb856e4d168cf426531a11516c0de96c1abb13bebb4971b06886",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-06T20:00:12Z",
    "title_canon_sha256": "3783371a74574912a54378c7c9166b31bee31cdc0c449048b33990afd7627578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1305",
    "kind": "arxiv",
    "version": 1
  }
}