Pith Number

pith:OGPBIXZ3

pith:2015:OGPBIXZ3RRLHGJH53MLIG3RO6M

not attested not anchored not stored refs pending

A LOFAR view on the duty cycle of young radio sources

A. Shulevski, L. Godfrey, M. Brienza, N. Vilchez, R. Morganti

arxiv:1511.02011 v1 · 2015-11-06 · 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	2026-05-18T00:55:47.084929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719e145f3b8c567324fddb16836e2ef3378a0295d6ae62b2f96e33c580014806

Aliases

arxiv: 1511.02011 · arxiv_version: 1511.02011v1 · doi: 10.48550/arxiv.1511.02011 · pith_short_12: OGPBIXZ3RRLH · pith_short_16: OGPBIXZ3RRLHGJH5 · pith_short_8: OGPBIXZ3

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/OGPBIXZ3RRLHGJH53MLIG3RO6M \
  | 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: 719e145f3b8c567324fddb16836e2ef3378a0295d6ae62b2f96e33c580014806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74dcdbbfe819fe0ad167ae56846565b987a6e5857540895c741fea6d1b41c90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-06T09:18:25Z",
    "title_canon_sha256": "d0fc26d1febf0a843f1f80b994cff670f014c40db4f11f95c0ba0c1006c2b50a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02011",
    "kind": "arxiv",
    "version": 1
  }
}