Pith Number

pith:E5Y2DP6A

pith:2018:E5Y2DP6AP2QPQ5NOG3D6R3KEMC

not attested not anchored not stored refs pending

Warm dust surface chemistry. H2 and HD formation

Ch. Rab, I. Kamp, P. Caselli, P. Woitke, S. Cazaux, S. Hocuk, W. F. Thi

arxiv:1812.06730 v1 · 2018-12-17 · 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{E5Y2DP6AP2QPQ5NOG3D6R3KEMC}

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	2026-05-17T23:58:09.442870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2771a1bfc07ea0f875ae36c7e8ed4460b2a7703337adccea6ff7103ff3376cf4

Aliases

arxiv: 1812.06730 · arxiv_version: 1812.06730v1 · doi: 10.48550/arxiv.1812.06730 · pith_short_12: E5Y2DP6AP2QP · pith_short_16: E5Y2DP6AP2QPQ5NO · pith_short_8: E5Y2DP6A

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/E5Y2DP6AP2QPQ5NOG3D6R3KEMC \
  | 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: 2771a1bfc07ea0f875ae36c7e8ed4460b2a7703337adccea6ff7103ff3376cf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba7f3ddc1c9d701dc163b2520e5943bfee4e20458327865347f193626acb5a1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-17T12:35:33Z",
    "title_canon_sha256": "0458ab7c705773e82ad22e8f31f449d03c25e71bc6541ea884688284d88dd636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06730",
    "kind": "arxiv",
    "version": 1
  }
}