Pith Number

pith:XAK23CIE

pith:2012:XAK23CIERUU3MEKCRNTJTBL6D2

not attested not anchored not stored refs pending

Attosecond Transient Absorption Spectroscopy of doubly-excited states in helium

Christian Ott, Fernando Mart\'in, Luca Argenti, Thomas Pfeifer

arxiv:1211.2566 v1 · 2012-11-12 · 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{XAK23CIERUU3MEKCRNTJTBL6D2}

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	2026-05-18T03:41:02.967946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b815ad89048d29b611428b6699857e1e88aebdebbc400a75bc23a334807d1af5

Aliases

arxiv: 1211.2566 · arxiv_version: 1211.2566v1 · doi: 10.48550/arxiv.1211.2566 · pith_short_12: XAK23CIERUU3 · pith_short_16: XAK23CIERUU3MEKC · pith_short_8: XAK23CIE

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/XAK23CIERUU3MEKCRNTJTBL6D2 \
  | 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: b815ad89048d29b611428b6699857e1e88aebdebbc400a75bc23a334807d1af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c37ad5e4e69cc967dcd32a60ae1d95b79f29e5249674172bd0d66d9dabc330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-11-12T11:13:30Z",
    "title_canon_sha256": "f99829de3fb96152f6df1a3fd045bad80b579afa4f60cfdc560c71fcc40237ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2566",
    "kind": "arxiv",
    "version": 1
  }
}