Pith Number

pith:HTMWUCUA

pith:2009:HTMWUCUA6SMWDYQAID74XX2BZL

not attested not anchored not stored refs pending

The clustering and evolution of H-alpha emitters at z~1 from HiZELS

(2) Durham, (3) ATC Edinburgh, (4) Oxford, (5) MPE), David Sobral (1), Gavin B. Dalton (4), Ian Smail (2), James E. Geach (2), Jaron Kurk (5) ((1) IfA Edinburgh, Michele Cirasuolo (3), Philip N. Best (1), Timothy Garn (1)

arxiv:0912.3888 v2 · 2009-12-21 · astro-ph.CO · 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{HTMWUCUA6SMWDYQAID74XX2BZL}

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	2026-05-18T02:10:15.364532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd96a0a80f49961e20040ffcbdf41caf3cd62a0827037868f0f805b2807914a

Aliases

arxiv: 0912.3888 · arxiv_version: 0912.3888v2 · doi: 10.48550/arxiv.0912.3888 · pith_short_12: HTMWUCUA6SMW · pith_short_16: HTMWUCUA6SMWDYQA · pith_short_8: HTMWUCUA

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/HTMWUCUA6SMWDYQAID74XX2BZL \
  | 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: 3cd96a0a80f49961e20040ffcbdf41caf3cd62a0827037868f0f805b2807914a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31232c7604a4d90a77556c0491bc105e3f6b054b4e8c687d2504a4b36d1a34bb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-21T16:21:46Z",
    "title_canon_sha256": "029fe8dbc411e388615678ece8e2274649d8d1acefeae2536911814c7f111ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3888",
    "kind": "arxiv",
    "version": 2
  }
}