Pith Number

pith:62UFSGAQ

pith:2018:62UFSGAQVACPU4X5JRJO4B5JDM

not attested not anchored not stored refs pending

Statistical study of uncertainties in the diffusion rate of species on interstellar ice and its impact on chemical model predictions

Pierre Gratier, Valentine Wakelam, Wasim Iqbal

arxiv:1811.03488 v1 · 2018-11-08 · astro-ph.GA · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-17T23:58:36.582218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6a8591810a804fa72fd4c52ee07a91b021e7c653b62552021f3846be2a25129

Aliases

arxiv: 1811.03488 · arxiv_version: 1811.03488v1 · doi: 10.48550/arxiv.1811.03488 · pith_short_12: 62UFSGAQVACP · pith_short_16: 62UFSGAQVACPU4X5 · pith_short_8: 62UFSGAQ

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/62UFSGAQVACPU4X5JRJO4B5JDM \
  | 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: f6a8591810a804fa72fd4c52ee07a91b021e7c653b62552021f3846be2a25129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13bb615d8174e155bd77bde4033aae5503c2ba2376d349dd37256a9344c3508c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-08T15:22:53Z",
    "title_canon_sha256": "ebdc6ea746dc5db4bb3c48e205f4bbf72c0b9aba2feefa8be6616ae76d5b9213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03488",
    "kind": "arxiv",
    "version": 1
  }
}