Pith Number

pith:XH7ESKXH

pith:2015:XH7ESKXHYZDMAYGX6QNJIZEPAA

not attested not anchored not stored refs pending

The Bright Symbiotic Mira EF Aquilae

Bruce Margon, J. Xavier Prochaska, Nicolas Tejos, TalaWanda Monroe

arxiv:1512.04075 v1 · 2015-12-13 · 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	2026-05-18T01:22:46.141556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9fe492ae7c646c060d7f41a94648f002e4ea43879e4ecf4612f24a94fc781fb

Aliases

arxiv: 1512.04075 · arxiv_version: 1512.04075v1 · doi: 10.48550/arxiv.1512.04075 · pith_short_12: XH7ESKXHYZDM · pith_short_16: XH7ESKXHYZDMAYGX · pith_short_8: XH7ESKXH

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/XH7ESKXHYZDMAYGX6QNJIZEPAA \
  | 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: b9fe492ae7c646c060d7f41a94648f002e4ea43879e4ecf4612f24a94fc781fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74da1c68154c7db35efa5f08f255d2f9936f774f55c9a868e36d2d98e60a795",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-13T16:20:34Z",
    "title_canon_sha256": "39d2cc5d001f0a4e0490e8490de1b9cea1b1118eb79ce1291ce18c1036c2fdfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04075",
    "kind": "arxiv",
    "version": 1
  }
}