Pith Number

pith:Q2Z75E6Q

pith:2011:Q2Z75E6QJXE2NZIME3LXRXMLMT

not attested not anchored not stored refs pending

High energy gamma-ray properties of the FR I radio galaxy NGC 1275

Anthony M. Brown, Jenni Adams

arxiv:1101.2687 v1 · 2011-01-13 · astro-ph.HE

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	2026-05-18T02:03:40.128398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b3fe93d04dc9a6e50c26d778dd8b64e0d846e378c2ef371c1224102f6e000d

Aliases

arxiv: 1101.2687 · arxiv_version: 1101.2687v1 · doi: 10.48550/arxiv.1101.2687 · pith_short_12: Q2Z75E6QJXE2 · pith_short_16: Q2Z75E6QJXE2NZIM · pith_short_8: Q2Z75E6Q

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/Q2Z75E6QJXE2NZIME3LXRXMLMT \
  | 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: 86b3fe93d04dc9a6e50c26d778dd8b64e0d846e378c2ef371c1224102f6e000d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "858610c7efd8f53bcec6e3823644d8940acfdf2176ec5a46d9d8576b1656cac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-13T22:39:52Z",
    "title_canon_sha256": "731687de605c4c61f3aa94b9a9f734bf95748013b2442fa7e3198b9c5a181ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2687",
    "kind": "arxiv",
    "version": 1
  }
}