Pith Number

pith:7NNYGTNT

pith:2016:7NNYGTNTVKM3QP43G6MSY65MSO

not attested not anchored not stored refs pending

Be Stars as Seen Through Telescopes in Survey Mode (I)

Ch. Martayan, D. Baade, Th. Rivinius

arxiv:1602.01757 v1 · 2016-02-04 · 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	2026-05-18T01:21:18.174110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5b834db3aa99b83f9b37992c7bac93ad538e6319b664afe538cf4ded3b4443

Aliases

arxiv: 1602.01757 · arxiv_version: 1602.01757v1 · doi: 10.48550/arxiv.1602.01757 · pith_short_12: 7NNYGTNTVKM3 · pith_short_16: 7NNYGTNTVKM3QP43 · pith_short_8: 7NNYGTNT

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/7NNYGTNTVKM3QP43G6MSY65MSO \
  | 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: fb5b834db3aa99b83f9b37992c7bac93ad538e6319b664afe538cf4ded3b4443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99bba97ddaa5c46043d26c10dd4497adc43d05c0b68446a4b6c93a5327f3ace6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-04T17:18:47Z",
    "title_canon_sha256": "9a2cfc51a70cd8578d87dc7a2a7d353c2d420c7ef5f2d9f86d5526cdadd02d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01757",
    "kind": "arxiv",
    "version": 1
  }
}