Pith Number

pith:MMQF5X34

pith:2007:MMQF5X34QX4A2ABKY3OIFUJOCW

not attested not anchored not stored refs pending

Femtosecond induced transparency and absorption in the extreme ultraviolet by coherent coupling of the He 2s2p (1P0) and 2p2 (1Se) double excitation states with 800 nm light

Chris H. Greene, Stephen R. Leone, Zhi-Heng Loh

arxiv:0711.1367 v1 · 2007-11-08 · physics.atom-ph · physics.chem-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{MMQF5X34QX4A2ABKY3OIFUJOCW}

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	2026-07-04T17:06:35.614450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63205edf7c85f80d002ac6dc82d12e158b72747d7cb37d1a300f70a07224403e

Aliases

arxiv: 0711.1367 · arxiv_version: 0711.1367v1 · doi: 10.48550/arxiv.0711.1367 · pith_short_12: MMQF5X34QX4A · pith_short_16: MMQF5X34QX4A2ABK · pith_short_8: MMQF5X34

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/MMQF5X34QX4A2ABKY3OIFUJOCW \
  | 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: 63205edf7c85f80d002ac6dc82d12e158b72747d7cb37d1a300f70a07224403e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a88dc6a451115aa3a034d3cbc812e839293e177e049402f2b521ed5baf465ee1",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2007-11-08T21:19:33Z",
    "title_canon_sha256": "ee7dad23250d80101f6f65b46f19dcae258569fd6ccc77584374ebfe5505bf6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1367",
    "kind": "arxiv",
    "version": 1
  }
}