Pith Number

pith:DJLTM4LV

pith:2015:DJLTM4LVCW5THJNCXHEOLGNZ7N

not attested not anchored not stored refs pending

First observation of long-lived $\pi^+ \pi^-$ atoms

DIRAC Collaboration

arxiv:1508.04712 v1 · 2015-08-19 · hep-ex · nucl-ex · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJLTM4LVCW5THJNCXHEOLGNZ7N}

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.

Cited by

1 paper in Pith

Relativistic and Recoil Corrections to Light-Fermion Vacuum Polarization for Bound Systems of Spin-0, Spin-1/2, and Spin-1 Particles

Receipt and verification

First computed	2026-05-18T01:35:02.008074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a5736717515bb33a5a2b9c8e599b9fb7d66ae2078e456e77e08735bb178fcae

Aliases

arxiv: 1508.04712 · arxiv_version: 1508.04712v1 · doi: 10.48550/arxiv.1508.04712 · pith_short_12: DJLTM4LVCW5T · pith_short_16: DJLTM4LVCW5THJNC · pith_short_8: DJLTM4LV

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/DJLTM4LVCW5THJNCXHEOLGNZ7N \
  | 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: 1a5736717515bb33a5a2b9c8e599b9fb7d66ae2078e456e77e08735bb178fcae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071230d9677aecfa44ef1b20679c1d4c5a4cd2b24eb757c86fcd85b48d6c06f7",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2015-08-19T17:34:57Z",
    "title_canon_sha256": "bbf5d2344f026cd13a395f09a78beaa44a26b8c8ac7464c7c81e0d7ab79c2fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04712",
    "kind": "arxiv",
    "version": 1
  }
}