Pith Number

pith:VP4HL5AI

pith:2018:VP4HL5AI65JLAQ2AJJYEMTBQAH

not attested not anchored not stored refs pending

Superfluorescence, free-induction decay, and four-wave mixing: propagation of free-electron laser pulses through a dense sample of helium ions

Eiji Shigemasa, Hiroshi Iwayama, Ichiro Inoue, James R Harries, Kensuke Tono, Makina Yabashi, Masatomi Iizawa, Norihiro Suzuki, Shigeki Ohwada, Susumu Kuma, Tadashi Togashi, Yoshiro Azuma

arxiv:1809.06503 v1 · 2018-09-18 · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VP4HL5AI65JLAQ2AJJYEMTBQAH}

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	2026-05-17T23:57:19.204411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf875f408f752b043404a70464c3001e73d158577fc0329b493dffb69bd44e8

Aliases

arxiv: 1809.06503 · arxiv_version: 1809.06503v1 · doi: 10.48550/arxiv.1809.06503 · pith_short_12: VP4HL5AI65JL · pith_short_16: VP4HL5AI65JLAQ2A · pith_short_8: VP4HL5AI

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/VP4HL5AI65JLAQ2AJJYEMTBQAH \
  | 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: abf875f408f752b043404a70464c3001e73d158577fc0329b493dffb69bd44e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ec3dfe06b587b9d34900c3588885d90251d84317da3564b30eebf9064343318",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-09-18T02:13:36Z",
    "title_canon_sha256": "a5c38f67c2ab4a63e850cc43097c274dc58152ebba2e43c829da43c27cb42a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06503",
    "kind": "arxiv",
    "version": 1
  }
}