Pith Number

pith:PTYOPNYY

pith:2016:PTYOPNYY63WRKSO34XVHGVOPKR

not attested not anchored not stored refs pending

Efficient ortho-para conversion of H2 on interstellar grain surfaces

Emeric Bron, Franck Le Petit, Jacques Le Bourlot

arxiv:1601.04356 v1 · 2016-01-17 · 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{PTYOPNYY63WRKSO34XVHGVOPKR}

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	2026-05-18T01:19:01.337692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf0e7b718f6ed1549dbe5ea7355cf5458e18f8c78c25766d6634ff25cf43ec9

Aliases

arxiv: 1601.04356 · arxiv_version: 1601.04356v1 · doi: 10.48550/arxiv.1601.04356 · pith_short_12: PTYOPNYY63WR · pith_short_16: PTYOPNYY63WRKSO3 · pith_short_8: PTYOPNYY

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/PTYOPNYY63WRKSO34XVHGVOPKR \
  | 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: 7cf0e7b718f6ed1549dbe5ea7355cf5458e18f8c78c25766d6634ff25cf43ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f69cdb0ce14d9f2fcff1da2210a7ea346ba140409a4046f38822cc5ae17f50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-17T21:47:20Z",
    "title_canon_sha256": "a65e4f86c56c8e2b60c8e605e9b00261d290e17066f9ded3e30bc8866a8c3c8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04356",
    "kind": "arxiv",
    "version": 1
  }
}