Pith Number

pith:MQARPF3L

pith:2017:MQARPF3L3WOM6CTXBKGMCNVMUQ

not attested not anchored not stored refs pending

New method to study ion-molecule reactions at low temperatures and application to the H$_2^+$ + H$_2$ $\rightarrow$ H$_3^+$ + H reaction

Fr\'ed\'eric Merkt, Hansj\"urg Schmutz, Johannes Deiglmayr, Josef A. Agner, Katharina H\"oveler, Otto Schullian, Pitt Allmendinger

arxiv:1705.00871 v1 · 2017-05-02 · 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{MQARPF3L3WOM6CTXBKGMCNVMUQ}

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	2026-05-18T00:45:09.513024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640117976bdd9ccf0a770a8cc136aca43e0d76d54c13fb2e4f7e455be87330ab

Aliases

arxiv: 1705.00871 · arxiv_version: 1705.00871v1 · doi: 10.48550/arxiv.1705.00871 · pith_short_12: MQARPF3L3WOM · pith_short_16: MQARPF3L3WOM6CTX · pith_short_8: MQARPF3L

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/MQARPF3L3WOM6CTXBKGMCNVMUQ \
  | 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: 640117976bdd9ccf0a770a8cc136aca43e0d76d54c13fb2e4f7e455be87330ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359cfec37c09dcc1182f78b21baa3fdf1c4f6bc8ccee09a79bcb90bf894cd22f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2017-05-02T09:22:54Z",
    "title_canon_sha256": "0d0c4a45d1c9769b5dddaf3383bf292edb5ffb69899ca22b13179cf6f9f225f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00871",
    "kind": "arxiv",
    "version": 1
  }
}