Pith Number

pith:4YPMMHH6

pith:2005:4YPMMHH6QYA32DDUKGJR6OVTKF

not attested not anchored not stored refs pending

Recoil Polarization Measurements for Neutral Pion Electroproduction at Q^2=1 (GeV/c)^2 Near the Delta Resonance

et al. (for the Jefferson Laboratory Hall A Collaboration), J. J. Kelly

arxiv:nucl-ex/0509004 v1 · 2005-09-01 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YPMMHH6QYA32DDUKGJR6OVTKF}

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	2026-07-04T17:29:27.348817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61ec61cfe8601bd0c7451931f3ab3517ac4335b1e5241bed1e2b6ecb752f600

Aliases

arxiv: nucl-ex/0509004 · arxiv_version: nucl-ex/0509004v1 · doi: 10.48550/arxiv.nucl-ex/0509004 · pith_short_12: 4YPMMHH6QYA3 · pith_short_16: 4YPMMHH6QYA32DDU · pith_short_8: 4YPMMHH6

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/4YPMMHH6QYA32DDUKGJR6OVTKF \
  | 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: e61ec61cfe8601bd0c7451931f3ab3517ac4335b1e5241bed1e2b6ecb752f600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffaabc2746a04b8284aa362a135c491072a969f0955f1a8631da50bb58189d79",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "2005-09-01T17:18:30Z",
    "title_canon_sha256": "3a46d52c1139eef89e7fd57f26894d6d0a312d1c15ae86e433b6d6178af08a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-ex/0509004",
    "kind": "arxiv",
    "version": 1
  }
}