Pith Number

pith:VG26S7FR

pith:2014:VG26S7FROTIPSOKPHHI5GR3AF6

not attested not anchored not stored refs pending

Z Cam Stars in the Twenty-First Century

Bart Staels, Bill Goff, David Boyd, Gary Poyner, George Sjoberg, James Roe, John Toone, Kenneth Menzies, Mike Simonsen, Patrick Wils, Richard Sabo, Rod Stubbings, Sebastian Otero, Stefano Padovan, Tom Krajci

arxiv:1402.0207 v3 · 2014-02-02 · 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{VG26S7FROTIPSOKPHHI5GR3AF6}

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	2026-05-18T02:47:31.346190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b5e97cb174d0f9394f39d1d347602f8b57f59651c35680bbb6c0bed5dac202

Aliases

arxiv: 1402.0207 · arxiv_version: 1402.0207v3 · doi: 10.48550/arxiv.1402.0207 · pith_short_12: VG26S7FROTIP · pith_short_16: VG26S7FROTIPSOKP · pith_short_8: VG26S7FR

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/VG26S7FROTIPSOKPHHI5GR3AF6 \
  | 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: a9b5e97cb174d0f9394f39d1d347602f8b57f59651c35680bbb6c0bed5dac202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3980a48416ad4105b63ca5d055801796469fe3f16025d0c39b6406465d832b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-02T16:04:37Z",
    "title_canon_sha256": "34e730cb2dcc9744fff09e049681a231a02f6b2fff8876971b5a4540d0b4b25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0207",
    "kind": "arxiv",
    "version": 3
  }
}