Pith Number

pith:45RJJYWR

pith:2018:45RJJYWRUD4VU24MEGSKFRCYC7

not attested not anchored not stored refs pending

Thermal desorption of formamide and methylamine from graphite and amorphous water ice surfaces

Fran\c{c}ois Dulieu, Henda Chaabouni, Stephan Diana, Thanh Nguyen

arxiv:1801.08897 v1 · 2018-01-26 · astro-ph.GA · astro-ph.IM · 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{45RJJYWRUD4VU24MEGSKFRCYC7}

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	2026-05-18T00:17:07.440484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e76294e2d1a0f95a6b8c21a4a2c45817f423afe4f157d6184b9c94aab9ab2da6

Aliases

arxiv: 1801.08897 · arxiv_version: 1801.08897v1 · doi: 10.48550/arxiv.1801.08897 · pith_short_12: 45RJJYWRUD4V · pith_short_16: 45RJJYWRUD4VU24M · pith_short_8: 45RJJYWR

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/45RJJYWRUD4VU24MEGSKFRCYC7 \
  | 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: e76294e2d1a0f95a6b8c21a4a2c45817f423afe4f157d6184b9c94aab9ab2da6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a2b9eabf92ad35e18bf80cba3d905220eedae40ac354d6494953f493dfaf01e",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-26T16:54:57Z",
    "title_canon_sha256": "dd46b54abcc3ce23f9280c847a8d8dd65604d9995642da6175f2da7bfacd8c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08897",
    "kind": "arxiv",
    "version": 1
  }
}