Pith Number

pith:2M5KDKGD

pith:2018:2M5KDKGDKT6Q4ONZSZT25BMMDQ

not attested not anchored not stored refs pending

Complex cyanides as chemical clocks in hot cores

C. Walsh, F. F. S. van der Tak, V. Allen

arxiv:1804.02041 v2 · 2018-03-22 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M5KDKGDKT6Q4ONZSZT25BMMDQ}

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	2026-05-18T00:07:07.937398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33aa1a8c354fd0e39b99667ae858c1c1d6cdae4e03cbbd0f5f8294a5f22afcd

Aliases

arxiv: 1804.02041 · arxiv_version: 1804.02041v2 · doi: 10.48550/arxiv.1804.02041 · pith_short_12: 2M5KDKGDKT6Q · pith_short_16: 2M5KDKGDKT6Q4ONZ · pith_short_8: 2M5KDKGD

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/2M5KDKGDKT6Q4ONZSZT25BMMDQ \
  | 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: d33aa1a8c354fd0e39b99667ae858c1c1d6cdae4e03cbbd0f5f8294a5f22afcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61e2389767be794bd12f6e5a50fc06e9989eb37e7a85aff36fddb831a187a786",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-22T10:48:29Z",
    "title_canon_sha256": "b349f7417f1bd3dd9ddc6452f273d9ca48594adef5cab7c894f91cf4a8990280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02041",
    "kind": "arxiv",
    "version": 2
  }
}