Pith Number

pith:4F2HRDMC

pith:2018:4F2HRDMCZDW5ZJADGFKHLJRI3G

not attested not anchored not stored refs pending

Imaging the Photochemical Ring-Opening of 1,3-Cyclohexadiene by Ultrafast Electron Diffraction

A. Kirrander, D. M. Sanchez, H. Yong, J. P. Cryan, J. P. F. Nunes, J. Ruddock, J. Yang, K. Hegazy, K. Wilkin, M. Centurion, M. G\"uhr, M. P. Minitti, P. M. Weber, Q. Zheng, R. Coffee, R. K. Li, R. M. Parrish, S. P. Weathersby, T. J. A. Wolf, T. J. Mart\'inez, T. Veccione, X. J. Wang, X. Shen

arxiv:1810.02900 v1 · 2018-10-05 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F2HRDMCZDW5ZJADGFKHLJRI3G}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:42:29.300924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e174788d82c8eddca403315475a628d991fffa8a46caa8f383a99add8007f525

Aliases

arxiv: 1810.02900 · arxiv_version: 1810.02900v1 · doi: 10.48550/arxiv.1810.02900 · pith_short_12: 4F2HRDMCZDW5 · pith_short_16: 4F2HRDMCZDW5ZJAD · pith_short_8: 4F2HRDMC

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/4F2HRDMCZDW5ZJADGFKHLJRI3G \
  | 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: e174788d82c8eddca403315475a628d991fffa8a46caa8f383a99add8007f525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba490ca4765bd0f43fe19da03d0961c1bab99f537c28437f7cb2243d96bb0fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-10-05T22:50:27Z",
    "title_canon_sha256": "888d5edb2aeb71fb5c9ac7f2038627fa6d6ae34454b631d5d6110602fe57b226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02900",
    "kind": "arxiv",
    "version": 1
  }
}