Pith Number

pith:OBC7SIXA

pith:2011:OBC7SIXAPQZ264TESO7FZBCM5G

not attested not anchored not stored refs pending

Extended Non-Thermal Emission Possibly Associated with Cyg OB2 #5

G. N. Ortiz-Leon, L. F. Rodriguez, M. Tapia

arxiv:1111.6486 v1 · 2011-11-28 · astro-ph.SR

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	2026-05-18T04:07:29.791657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7045f922e07c33af726493be5c844ce98cac8b87515079ee5cdfc6e1ac7c7c7c

Aliases

arxiv: 1111.6486 · arxiv_version: 1111.6486v1 · doi: 10.48550/arxiv.1111.6486 · pith_short_12: OBC7SIXAPQZ2 · pith_short_16: OBC7SIXAPQZ264TE · pith_short_8: OBC7SIXA

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/OBC7SIXAPQZ264TESO7FZBCM5G \
  | 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: 7045f922e07c33af726493be5c844ce98cac8b87515079ee5cdfc6e1ac7c7c7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56d5375f873224daa009f02b79c17b02627012f78ad3ac5f178caa230fc4873a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-28T15:59:44Z",
    "title_canon_sha256": "3b4e54fd4310ad74e672ceba9044fc00a094119b1f63a4cafbfbde5ee9b42168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6486",
    "kind": "arxiv",
    "version": 1
  }
}