Pith Number

pith:3HOGMPBZ

pith:2017:3HOGMPBZIVOHVZKCWWME4CDNJ6

not attested not anchored not stored refs pending

Optical flickering of the symbiotic star CH Cyg

A. Kurtenkov, E. Sanchez-Ayaso, G. Nikolov, G. Y. Latev, I. Bujalance-Fernandez, J. Marti, K. A. Stoyanov, R. Zamanov, V. V. Dimitrov

arxiv:1711.01749 v1 · 2017-11-06 · 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	2026-05-18T00:31:16.965925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9dc663c39455c7ae542b5984e086d4f954a65ff44f1184d22a2bb1d5379fcf7

Aliases

arxiv: 1711.01749 · arxiv_version: 1711.01749v1 · doi: 10.48550/arxiv.1711.01749 · pith_short_12: 3HOGMPBZIVOH · pith_short_16: 3HOGMPBZIVOHVZKC · pith_short_8: 3HOGMPBZ

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/3HOGMPBZIVOHVZKCWWME4CDNJ6 \
  | 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: d9dc663c39455c7ae542b5984e086d4f954a65ff44f1184d22a2bb1d5379fcf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f4b97499d2f60607f648b587b8ae7c991aa998723c88355bb27c1337de7b04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-06T07:18:38Z",
    "title_canon_sha256": "3082506e22c6e086f6e6bc7c1867275fae86fd1f0421f8fe814472b2c82ab9f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01749",
    "kind": "arxiv",
    "version": 1
  }
}