Pith Number

pith:LWTFBPAC

pith:2016:LWTFBPACAFXUMHR4HXLVOFXKTV

not attested not anchored not stored refs pending

An Extreme Analogue of $\epsilon$ Aurigae: An M-giant Eclipsed Every 69 Years by a Large Opaque Disk Surrounding a Small Hot Source

Benjamin J. Shappee, Christopher S. Kochanek, Daniel J. Stevens, Joseph E. Rodriguez, Joshua Pepper, Keivan G. Stassun, Kyle E. Conroy, Michael B. Lund, Robert J. Siverd, Scott Gaudi, Stella Kafka, Sumin Tang, Thomas G. Beatty

arxiv:1601.00135 v3 · 2016-01-02 · 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	2026-05-18T01:15:51.535942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da650bc02016f461e3c3dd75716ea9d48f3a268a74eaf403a1c4851b96f34ed

Aliases

arxiv: 1601.00135 · arxiv_version: 1601.00135v3 · doi: 10.48550/arxiv.1601.00135 · pith_short_12: LWTFBPACAFXU · pith_short_16: LWTFBPACAFXUMHR4 · pith_short_8: LWTFBPAC

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/LWTFBPACAFXUMHR4HXLVOFXKTV \
  | 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: 5da650bc02016f461e3c3dd75716ea9d48f3a268a74eaf403a1c4851b96f34ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6f4d8f916e27c4b8c72662236b082912e5935e92b3fd2a12562d956e12d408f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-02T04:34:47Z",
    "title_canon_sha256": "ebd554a81561c800cd92d7ddab842bbf5c7ce32c0e5f68c437a530e064a508c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00135",
    "kind": "arxiv",
    "version": 3
  }
}