Pith Number

pith:FELWWHHB

pith:2026:FELWWHHBKRUWOWLQECA2SE7KBT

not attested not anchored not stored refs pending

The cosmic ray ionization rate from H3+ observations can be overestimated due to neglect of time-dependent chemistry

Alexei Ivlev, Ka Wai Ho, Kedron Silsbee, Munan Gong

arxiv:2606.00901 v1 · 2026-05-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FELWWHHBKRUWOWLQECA2SE7KBT}

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	2026-06-02T01:04:09.121423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29176b1ce154696759702081a913ea0cd376d1fe5d000d623db10cde1dde667a

Aliases

arxiv: 2606.00901 · arxiv_version: 2606.00901v1 · doi: 10.48550/arxiv.2606.00901 · pith_short_12: FELWWHHBKRUW · pith_short_16: FELWWHHBKRUWOWLQ · pith_short_8: FELWWHHB

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/FELWWHHBKRUWOWLQECA2SE7KBT \
  | 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: 29176b1ce154696759702081a913ea0cd376d1fe5d000d623db10cde1dde667a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287c66545e766423d4b1a8487676c88955a0b9cdeb6aab9c968940d030aa05a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-30T21:46:22Z",
    "title_canon_sha256": "4aaa572772ea13b12fd792eb5d952b864d25d19b0e86b5766ccd7b94867ab44a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00901",
    "kind": "arxiv",
    "version": 1
  }
}