Pith Number

pith:F47MGUFT

pith:2017:F47MGUFTWWRGCS7Y7QFM7Q7FB4

not attested not anchored not stored refs pending

Tracing accretion variability of high-mass YSOs via light echoes

A. Caratti o Garatti, B. Stecklum, H. Linz, J. M. Ibanez, S. Heese, S. Wolf

arxiv:1712.01451 v1 · 2017-12-05 · 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	2026-05-18T00:28:50.750407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3ec350b3b5a2614bf8fc0acfc3e50f0feb276ef0ec546293478a38ff3a0040

Aliases

arxiv: 1712.01451 · arxiv_version: 1712.01451v1 · doi: 10.48550/arxiv.1712.01451 · pith_short_12: F47MGUFTWWRG · pith_short_16: F47MGUFTWWRGCS7Y · pith_short_8: F47MGUFT

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/F47MGUFTWWRGCS7Y7QFM7Q7FB4 \
  | 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: 2f3ec350b3b5a2614bf8fc0acfc3e50f0feb276ef0ec546293478a38ff3a0040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a18ee86f3e7a7dfa89dd2ff8f49e61b04bc1de1d897ccd1a0d6bd3e3138632b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-05T02:44:19Z",
    "title_canon_sha256": "9da0b736b3f35a872fa65aaace0005167642686111b2dd4e275919e1efea38b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01451",
    "kind": "arxiv",
    "version": 1
  }
}