Pith Number

pith:55N2DM2B

pith:2022:55N2DM2BLXCHNCWOXY4T5IP3LP

not attested not anchored not stored refs pending

TESS light curves of cataclysmic variables I -- Unknown periods in long-known stars

Albert Bruch

arxiv:2207.08203 v1 · 2022-07-17 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55N2DM2BLXCHNCWOXY4T5IP3LP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-07-05T04:41:02.045802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5ba1b3415dc4768acebe393ea1fb5be929fb42cf93c6f614aab435cbb6e87f

Aliases

arxiv: 2207.08203 · arxiv_version: 2207.08203v1 · doi: 10.48550/arxiv.2207.08203 · pith_short_12: 55N2DM2BLXCH · pith_short_16: 55N2DM2BLXCHNCWO · pith_short_8: 55N2DM2B

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/55N2DM2BLXCHNCWOXY4T5IP3LP \
  | 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: ef5ba1b3415dc4768acebe393ea1fb5be929fb42cf93c6f614aab435cbb6e87f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9f5a3c195cebbba5e4872e726e302afc87790f826131458009c3f148f2cb9c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-07-17T15:28:57Z",
    "title_canon_sha256": "e7ef0372aafdac38f2b32e166c3e3009a2c5d2266979026a33e366c4392f8568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.08203",
    "kind": "arxiv",
    "version": 1
  }
}