Pith Number

pith:O55VGRZH

pith:2013:O55VGRZHIG4QOU46XWUXXWIY2Z

not attested not anchored not stored refs pending

Element Abundances at High-redshift: Magellan MIKE Observations of sub-Damped Lyman-alpha Absorbers at 1.7 < z <2.4

Celine P\'eroux, Debopam Som, Donald G. York, James T. Lauroesch, Joseph Meiring, Pushpa Khare, Varsha P. Kulkarni

arxiv:1307.7103 v1 · 2013-07-26 · 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{O55VGRZHIG4QOU46XWUXXWIY2Z}

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	2026-05-18T03:17:25.335823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777b53472741b907539ebda97bd918d67d859418c77166f424708ff7605a922d

Aliases

arxiv: 1307.7103 · arxiv_version: 1307.7103v1 · doi: 10.48550/arxiv.1307.7103 · pith_short_12: O55VGRZHIG4Q · pith_short_16: O55VGRZHIG4QOU46 · pith_short_8: O55VGRZH

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/O55VGRZHIG4QOU46XWUXXWIY2Z \
  | 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: 777b53472741b907539ebda97bd918d67d859418c77166f424708ff7605a922d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f231c76719e1f6435366083b75eba30019bd2873caf03077eafddc691a1cf85e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-26T17:20:19Z",
    "title_canon_sha256": "653aeac41880e8eaaf6233a131f8939fdee4dc2cd753d4a0c60216c90c80b188"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7103",
    "kind": "arxiv",
    "version": 1
  }
}