Pith Number

pith:GR2OT4IU

pith:2016:GR2OT4IUQBWWDVYMAV2MMXM6AV

not attested not anchored not stored refs pending

Towards detecting methanol emission in low-mass protoplanetary discs with ALMA: The role of non-LTE excitation

A. M. Sobolev, D. A. Semenov, M. D. Gray, S. Yu. Parfenov

arxiv:1605.03729 v1 · 2016-05-12 · astro-ph.SR · astro-ph.GA

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	2026-05-18T01:14:59.615521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3474e9f114806d61d70c0574c65d9e057984ace696689ffdd9ee16de3650b1e2

Aliases

arxiv: 1605.03729 · arxiv_version: 1605.03729v1 · doi: 10.48550/arxiv.1605.03729 · pith_short_12: GR2OT4IUQBWW · pith_short_16: GR2OT4IUQBWWDVYM · pith_short_8: GR2OT4IU

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/GR2OT4IUQBWWDVYMAV2MMXM6AV \
  | 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: 3474e9f114806d61d70c0574c65d9e057984ace696689ffdd9ee16de3650b1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6abc0e300e71bfc7ede0e1b26b8cabb9328f8fafa44551aa91b0e553c2b59778",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-12T08:53:08Z",
    "title_canon_sha256": "2149a6bfcf8c7445acee405f80e8b6bf2223aa77890945d24f3805daa418bddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03729",
    "kind": "arxiv",
    "version": 1
  }
}