Pith Number

pith:U7LUUW6F

pith:2000:U7LUUW6FPQVHANHXGTBQAI4776

not attested not anchored not stored refs pending

Observation of Tau Neutrino Interactions

DONUT Collaboration

arxiv:hep-ex/0012035 v1 · 2000-12-14 · hep-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{U7LUUW6FPQVHANHXGTBQAI4776}

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	2026-05-18T03:47:40.683601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d74a5bc57c2a7034f734c300239fff9f761644c28a2bc76aaf9a371ace2f30

Aliases

arxiv: hep-ex/0012035 · arxiv_version: hep-ex/0012035v1 · doi: 10.48550/arxiv.hep-ex/0012035 · pith_short_12: U7LUUW6FPQVH · pith_short_16: U7LUUW6FPQVHANHX · pith_short_8: U7LUUW6F

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/U7LUUW6FPQVHANHXGTBQAI4776 \
  | 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: a7d74a5bc57c2a7034f734c300239fff9f761644c28a2bc76aaf9a371ace2f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e4ab2c6fa31c3f9baef89c6758d2c760bab677201b285c581b11f07c09aa06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2000-12-14T22:10:07Z",
    "title_canon_sha256": "b1d3e66198faf41d1ff405a6a7c46df3bb58fcbb250e8a1628ae06ef592cd227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0012035",
    "kind": "arxiv",
    "version": 1
  }
}