Pith Number

pith:HDGYEDOZ

pith:2008:HDGYEDOZY7X2EGBYAQNY7DQKHR

not attested not anchored not stored refs pending

Large Scale Structures at High Redshift in the GOODS Field

A. Fontana, A. Grazian, D. Trevese, E. Giallongo, E. Vanzella, L. Pentericci, M. Castellano, M. Nonino, P. Santini, S. Cristiani, S. Salimbeni

arxiv:0801.3557 v1 · 2008-01-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDGYEDOZY7X2EGBYAQNY7DQKHR}

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	2026-05-18T04:36:41.537767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38cd820dd9c7efa21838041b8f8e0a3c68b446e73e4f88ef005844f10386719d

Aliases

arxiv: 0801.3557 · arxiv_version: 0801.3557v1 · doi: 10.48550/arxiv.0801.3557 · pith_short_12: HDGYEDOZY7X2 · pith_short_16: HDGYEDOZY7X2EGBY · pith_short_8: HDGYEDOZ

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/HDGYEDOZY7X2EGBYAQNY7DQKHR \
  | 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: 38cd820dd9c7efa21838041b8f8e0a3c68b446e73e4f88ef005844f10386719d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df11a39f4bb7b92666797671fa019710e5e66e0303445132fd2831cadd70097",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-23T12:18:33Z",
    "title_canon_sha256": "1eb50f9ea50c1361458557dddfd8d49927ec02bae953a8b5e763213c7b064b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3557",
    "kind": "arxiv",
    "version": 1
  }
}