Pith Number

pith:X4TM5VDH

pith:2016:X4TM5VDHPQYPZR6HJVQOYFDJ2D

not attested not anchored not stored refs pending

Chemical abundances of damped Lyman alpha systems in the XQ-100 survey

G. Becker, G. Cupani, G. Worseck, J.X. Prochaska, K. Denney, L. Christensen, R. Sanchez-Ramirez, S.L. Ellison, S. Lopez, T.A.M. Berg, V. D'Odorico

arxiv:1609.05968 v2 · 2016-09-19 · astro-ph.GA · 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{X4TM5VDHPQYPZR6HJVQOYFDJ2D}

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	2026-05-18T01:03:48.201307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf26ced4677c30fcc7c74d60ec1469d0db4fe3c948d4f8aa070ab5c70cae011c

Aliases

arxiv: 1609.05968 · arxiv_version: 1609.05968v2 · doi: 10.48550/arxiv.1609.05968 · pith_short_12: X4TM5VDHPQYP · pith_short_16: X4TM5VDHPQYPZR6H · pith_short_8: X4TM5VDH

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/X4TM5VDHPQYPZR6HJVQOYFDJ2D \
  | 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: bf26ced4677c30fcc7c74d60ec1469d0db4fe3c948d4f8aa070ab5c70cae011c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92f48a2f4817370ea66dc35078933d955901cc3ccfdcd03ad6ae93290ed5aab4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-19T23:13:03Z",
    "title_canon_sha256": "41893ddab17f0e740bfdfcdc75de3f1bd62f1fe7cda9c514df4d8e9939dc779f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05968",
    "kind": "arxiv",
    "version": 2
  }
}