Pith Number

pith:QF6KE63I

pith:2005:QF6KE63IWM72C5SKZVRS4NP7YY

not attested not anchored not stored refs pending

Comment on "Constraints on proton structure from precision atomic physics measurements"

I. Sick, J. L. Friar

arxiv:nucl-th/0503020 v1 · 2005-03-09 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QF6KE63IWM72C5SKZVRS4NP7YY}

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	2026-05-18T02:35:08.122608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817ca27b68b33fa1764acd632e35ffc63ea1b1a4c9793baebeb255bc8caa1482

Aliases

arxiv: nucl-th/0503020 · arxiv_version: nucl-th/0503020v1 · doi: 10.48550/arxiv.nucl-th/0503020 · pith_short_12: QF6KE63IWM72 · pith_short_16: QF6KE63IWM72C5SK · pith_short_8: QF6KE63I

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/QF6KE63IWM72C5SKZVRS4NP7YY \
  | 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: 817ca27b68b33fa1764acd632e35ffc63ea1b1a4c9793baebeb255bc8caa1482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0aca957897e0abad80cb152c4bda3caebb9ae39ed47db5a1bc1142777ff5d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "2005-03-09T19:07:33Z",
    "title_canon_sha256": "bb5166819540b6618b4e1c2d17e95f3a0bf9fa9f0c3aaa16b1737b630b1ca9e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/0503020",
    "kind": "arxiv",
    "version": 1
  }
}