Pith Number

pith:SA2KKPVF

pith:2015:SA2KKPVFSFQSU35C64776HPGX7

not attested not anchored not stored refs pending

Shadow of a Colossus: A z=2.45 Galaxy Protocluster Detected in 3D Ly-a Forest Tomographic Mapping of the COSMOS Field

Andreu Font-Ribera, Casey W. Stark, David J. Schlegel, Gianni Zamorani, Joseph F. Hennawi, J. Xavier Prochaska, Khee-Gan Lee, Mara Salvato, Martin White, Nao Suzuki, Olivier Le Fevre, Peter E. Nugent, R. Michael Rich

arxiv:1509.02833 v1 · 2015-09-09 · 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{SA2KKPVFSFQSU35C64776HPGX7}

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	2026-05-18T01:21:41.707678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9034a53ea591612a6fa2f73fff1de6bfdefd09323dd7771dc1d9469c8a9e8a72

Aliases

arxiv: 1509.02833 · arxiv_version: 1509.02833v1 · doi: 10.48550/arxiv.1509.02833 · pith_short_12: SA2KKPVFSFQS · pith_short_16: SA2KKPVFSFQSU35C · pith_short_8: SA2KKPVF

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/SA2KKPVFSFQSU35C64776HPGX7 \
  | 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: 9034a53ea591612a6fa2f73fff1de6bfdefd09323dd7771dc1d9469c8a9e8a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ebea76b730a258186031544c68d02916c3906c5af53cfbbef758ac296dc21f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-09T16:13:26Z",
    "title_canon_sha256": "7e5932d6dc8150b479bca5ffe390c7f9acd2658d9d8759b45edd1e9706d223a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02833",
    "kind": "arxiv",
    "version": 1
  }
}