Pith Number

pith:A35DUQWI

pith:2018:A35DUQWIFA272ZTRUKBBKCSJD5

not attested not anchored not stored refs pending

Measurement of the Oxidation state of Fe in the ISM using X-ray Absorption Spectroscopy

Andrew J. Westphal, Anna L. Butterworth, John A. Tomsick, Zack Gainsforth

arxiv:1805.05921 v1 · 2018-05-15 · astro-ph.EP · 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{A35DUQWIFA272ZTRUKBBKCSJD5}

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	2026-05-17T23:53:30.979927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fa3a42c82835fd6671a282150a491f6f25bdeef1f51a7bf47123eff67418d2

Aliases

arxiv: 1805.05921 · arxiv_version: 1805.05921v1 · doi: 10.48550/arxiv.1805.05921 · pith_short_12: A35DUQWIFA27 · pith_short_16: A35DUQWIFA272ZTR · pith_short_8: A35DUQWI

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/A35DUQWIFA272ZTRUKBBKCSJD5 \
  | 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: 06fa3a42c82835fd6671a282150a491f6f25bdeef1f51a7bf47123eff67418d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe40f6d2c7aee5b1dcc6041ffa3ada01752421a727f57bca880d27ecdbab528c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-15T17:22:52Z",
    "title_canon_sha256": "c6f68fd3746087df2fe3c33d267ef7e545e41a38d3bd5135beb8c096d916c611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05921",
    "kind": "arxiv",
    "version": 1
  }
}