Pith Number

pith:4NJE5RRM

pith:2018:4NJE5RRMLAMQWQMKRLMWPAQXGU

not attested not anchored not stored refs pending

Revised Distances to 21 Supernova Remnants

D.A. Leahy, S. Ranasinghe

arxiv:1808.09082 v1 · 2018-08-28 · 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	2026-05-18T00:07:04.562789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3524ec62c58190b418a8ad9678217352b7b4e127ce54fefa6c35770f56d14ab

Aliases

arxiv: 1808.09082 · arxiv_version: 1808.09082v1 · doi: 10.48550/arxiv.1808.09082 · pith_short_12: 4NJE5RRMLAMQ · pith_short_16: 4NJE5RRMLAMQWQMK · pith_short_8: 4NJE5RRM

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/4NJE5RRMLAMQWQMKRLMWPAQXGU \
  | 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: e3524ec62c58190b418a8ad9678217352b7b4e127ce54fefa6c35770f56d14ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f110a2ab2b56017ac4da071af034398407e779ee8ee07d511037ca627ca512bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-28T01:31:59Z",
    "title_canon_sha256": "7262f4dd3752fff5169fdd76946729a5a9a49c338df3c704eaf1def8b0423c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09082",
    "kind": "arxiv",
    "version": 1
  }
}