Pith Number

pith:O7OL6G6N

pith:2010:O7OL6G6NMGWDVD2NPKUUSWUB5K

not attested not anchored not stored refs pending

Physical Conditions in a Young, Unreddened, Low Metallicity Galaxy at High Redshift

Alice E. Shapley, Charles C. Steidel, David R. Law, Dawn K. Erb, Max Pettini, Naveen A. Reddy

arxiv:1006.5456 v1 · 2010-06-28 · 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{O7OL6G6NMGWDVD2NPKUUSWUB5K}

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	2026-05-18T02:06:34.720840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77dcbf1bcd61ac3a8f4d7aa9495a81eabe4733455ff2bbf5118bb519cb17a6eb

Aliases

arxiv: 1006.5456 · arxiv_version: 1006.5456v1 · doi: 10.48550/arxiv.1006.5456 · pith_short_12: O7OL6G6NMGWD · pith_short_16: O7OL6G6NMGWDVD2N · pith_short_8: O7OL6G6N

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/O7OL6G6NMGWDVD2NPKUUSWUB5K \
  | 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: 77dcbf1bcd61ac3a8f4d7aa9495a81eabe4733455ff2bbf5118bb519cb17a6eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1fa2d11ba418178adb04a29ccb93dd59fc5ac8019e095bb4d01dc6b32464125",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-28T20:00:21Z",
    "title_canon_sha256": "53df84b3a25f66b229294c2b5bf347217f5ae6ff6f155596e293585d9f4c15da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5456",
    "kind": "arxiv",
    "version": 1
  }
}