Pith Number

pith:U2BFLCTN

pith:2009:U2BFLCTNMAFOUVJOJZBJDMNBJX

not attested not anchored not stored refs pending

Microscopic simulation of methanol and formaldehyde ice formation in cold dense cores

A.G.G.M. Tielens, E.F. van Dishoeck, E. Herbst, H.M. Cuppen

arxiv:0911.0283 v1 · 2009-11-02 · 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{U2BFLCTNMAFOUVJOJZBJDMNBJX}

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	2026-05-18T02:11:00.738667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a682558a6d600aea552e4e4291b1a14de55352ace7df0db22fc7c021e5b2a4d0

Aliases

arxiv: 0911.0283 · arxiv_version: 0911.0283v1 · doi: 10.48550/arxiv.0911.0283 · pith_short_12: U2BFLCTNMAFO · pith_short_16: U2BFLCTNMAFOUVJO · pith_short_8: U2BFLCTN

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/U2BFLCTNMAFOUVJOJZBJDMNBJX \
  | 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: a682558a6d600aea552e4e4291b1a14de55352ace7df0db22fc7c021e5b2a4d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e21aea24e7512507cd38224cbe7346507421b73eade96673e7def377959d43d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-02T10:49:24Z",
    "title_canon_sha256": "1a0cf32992560c1505aa9a5e251f8638c0aab54b1b29df527afa5e57cce38060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0283",
    "kind": "arxiv",
    "version": 1
  }
}