Pith Number

pith:V4WZLIH3

pith:2017:V4WZLIH3JS2E7S6AV22PKKWEQF

not attested not anchored not stored refs pending

Extreme infrared variables from UKIDSS - II. an end-of-survey catalogue of eruptive YSOs and unusual stars

C. Contreras Pena, Dirk Froebrich, D. Minniti, Janet E. Drew, J. Borissova, L. C. Smith, M. Monguio, M.S.N. Kumar, P. W. Lucas, R. Kurtev

arxiv:1708.02680 v1 · 2017-08-08 · 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{V4WZLIH3JS2E7S6AV22PKKWEQF}

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	2026-05-18T00:33:16.000939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2d95a0fb4cb44fcbc0aeb4f52ac48152af8f93cc94f0b1e578e1b3b9d0a413

Aliases

arxiv: 1708.02680 · arxiv_version: 1708.02680v1 · doi: 10.48550/arxiv.1708.02680 · pith_short_12: V4WZLIH3JS2E · pith_short_16: V4WZLIH3JS2E7S6A · pith_short_8: V4WZLIH3

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/V4WZLIH3JS2E7S6AV22PKKWEQF \
  | 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: af2d95a0fb4cb44fcbc0aeb4f52ac48152af8f93cc94f0b1e578e1b3b9d0a413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1461c302c498ca71581f516689eb859c484bfb7e41b646fde563b4ad705648aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-08T23:54:31Z",
    "title_canon_sha256": "eb821b81f3c90c2859510cfe9ab737a75e57a2fa8cc409d8bddec7c9f7d963f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02680",
    "kind": "arxiv",
    "version": 1
  }
}