Pith Number

pith:U7J3Z7H4

pith:2012:U7J3Z7H4WX6AM6KUISIUPHAII5

not attested not anchored not stored refs pending

The Transient Optical Sky Survey Data Pipeline

2), E. Hadjiyska (1, G. Hughes (3), J. Zierten (1), P. Lubin (1), R. Hartong-Redden (1), S. Taylor (4)

arxiv:1210.1529 v1 · 2012-10-04 · astro-ph.IM

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	2026-05-18T03:44:03.213665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d3bcfcfcb5fc0679544491479c08477909c5be582ebf79db960b874d726a96

Aliases

arxiv: 1210.1529 · arxiv_version: 1210.1529v1 · doi: 10.48550/arxiv.1210.1529 · pith_short_12: U7J3Z7H4WX6A · pith_short_16: U7J3Z7H4WX6AM6KU · pith_short_8: U7J3Z7H4

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/U7J3Z7H4WX6AM6KUISIUPHAII5 \
  | 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: a7d3bcfcfcb5fc0679544491479c08477909c5be582ebf79db960b874d726a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9094f9d4fff8b2635e223b3ace8b54dd64833fa0051baf728fc99149d8c4c0ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-04T18:10:25Z",
    "title_canon_sha256": "a9cb0728ff501113f917479235371d602ef2644246b5a70ab926ee7d12831a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1529",
    "kind": "arxiv",
    "version": 1
  }
}