Pith Number

pith:VTWL2IHG

pith:2008:VTWL2IHGYTIRDX7CNMNWUTOKBS

not attested not anchored not stored refs pending

First measurement of target and double spin asymmetries for polarized e- polarized p --> e p pi0 in the nucleon resonance region above the Delta(1232)

CLAS Collaboration: A. S. Biselli, et al

arxiv:0804.3079 v3 · 2008-04-18 · 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{VTWL2IHGYTIRDX7CNMNWUTOKBS}

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	2026-07-04T17:24:59.345878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acecbd20e6c4d111dfe26b1b6a4dca0c92cce1c6af19b5fcd1028e90367d3987

Aliases

arxiv: 0804.3079 · arxiv_version: 0804.3079v3 · doi: 10.48550/arxiv.0804.3079 · pith_short_12: VTWL2IHGYTIR · pith_short_16: VTWL2IHGYTIRDX7C · pith_short_8: VTWL2IHG

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/VTWL2IHGYTIRDX7CNMNWUTOKBS \
  | 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: acecbd20e6c4d111dfe26b1b6a4dca0c92cce1c6af19b5fcd1028e90367d3987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e861d436a49531e82afaf5ff0637f29e1d22dcc40de9a0189b6aa301228f0cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2008-04-18T18:26:34Z",
    "title_canon_sha256": "19c5d6da4fab53087857cb29de291487cf325b5e01b7d8f31dce55dd1e6cf149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3079",
    "kind": "arxiv",
    "version": 3
  }
}