Pith Number

pith:O4MHBSKB

pith:2016:O4MHBSKBHQDOPH4HQWJIMJXCL2

not attested not anchored not stored refs pending

Synthesis of hydrogen- and methyl-capped long-chain polyynes by intense ultrashort laser pulse irradiation of toluene

Ali Ramadhan, Haruo Shiromaru, Joseph Sanderson, Michal Wesolowski, Takeshi Kodama, Tatsuya Fujino, Tomonari Wakabayashi, Walter Duley

arxiv:1612.00320 v2 · 2016-12-01 · 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{O4MHBSKBHQDOPH4HQWJIMJXCL2}

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	2026-05-18T00:43:43.350110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771870c9413c06e79f8785928626e25e8ef8ea8313d8bf929d517fcacd365a45

Aliases

arxiv: 1612.00320 · arxiv_version: 1612.00320v2 · doi: 10.48550/arxiv.1612.00320 · pith_short_12: O4MHBSKBHQDO · pith_short_16: O4MHBSKBHQDOPH4H · pith_short_8: O4MHBSKB

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/O4MHBSKBHQDOPH4HQWJIMJXCL2 \
  | 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: 771870c9413c06e79f8785928626e25e8ef8ea8313d8bf929d517fcacd365a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe2e1c7c8ee7e7754e9276c125e31e039379afb8a72f8e4e7771ed7c803b3e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-12-01T15:47:18Z",
    "title_canon_sha256": "857fbeee1410177510027a832a1a1386bcea12b1f309045ad2bd2b108d20c7c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00320",
    "kind": "arxiv",
    "version": 2
  }
}