Pith Number

pith:DRDXEH2J

pith:2016:DRDXEH2JKNFUNGMMCS2ACD3JPP

not attested not anchored not stored refs pending

Extensive photometry of the intermediate polar MU Cam: detection of a spin period change

V. P. Kozhevnikov

arxiv:1607.02577 v2 · 2016-07-09 · 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{DRDXEH2JKNFUNGMMCS2ACD3JPP}

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	2026-05-18T01:03:49.090686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c47721f49534b46998c14b4010f697bd33f7cd8461aebaba601f80acb4997a5

Aliases

arxiv: 1607.02577 · arxiv_version: 1607.02577v2 · doi: 10.48550/arxiv.1607.02577 · pith_short_12: DRDXEH2JKNFU · pith_short_16: DRDXEH2JKNFUNGMM · pith_short_8: DRDXEH2J

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/DRDXEH2JKNFUNGMMCS2ACD3JPP \
  | 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: 1c47721f49534b46998c14b4010f697bd33f7cd8461aebaba601f80acb4997a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9439b05fa546c45326f94aeb960288800933786d5add804a142f0e37fa5bd1bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-09T07:27:54Z",
    "title_canon_sha256": "f402986adf0c7d65e75a402e23ebc5ce3aef89380b99efd8db6ec11e5b2452eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02577",
    "kind": "arxiv",
    "version": 2
  }
}