Pith Number

pith:FKWZFK5I

pith:2018:FKWZFK5IHL2K23T6HYK6ZQ3RCP

not attested not anchored not stored refs pending

Formation of interstellar methanol ice prior to the heavy CO freeze-out stage

A.C.A. Boogert, D. Qasim, G. Fedoseev, H. Linnartz, K.-J. Chuang, S. Ioppolo

arxiv:1801.10154 v1 · 2018-01-30 · 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{FKWZFK5IHL2K23T6HYK6ZQ3RCP}

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	2026-05-18T00:17:05.201342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aad92aba83af4ad6e7e3e15ecc37113e7bc857cec498b348b20755bcad3b421

Aliases

arxiv: 1801.10154 · arxiv_version: 1801.10154v1 · doi: 10.48550/arxiv.1801.10154 · pith_short_12: FKWZFK5IHL2K · pith_short_16: FKWZFK5IHL2K23T6 · pith_short_8: FKWZFK5I

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/FKWZFK5IHL2K23T6HYK6ZQ3RCP \
  | 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: 2aad92aba83af4ad6e7e3e15ecc37113e7bc857cec498b348b20755bcad3b421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aae053f2d8946e917ff5eaeb68052d41eea3221af0ff12c4475db2f626c6aaf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-30T16:36:35Z",
    "title_canon_sha256": "c40b21bde0d9653b7241841364392024da1b5b8c6248dd1eab84bf207f817df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10154",
    "kind": "arxiv",
    "version": 1
  }
}