Pith Number

pith:FVPOQXYY

pith:2021:FVPOQXYYMSMED7SKVQDBFB3JWQ

not attested not anchored not stored refs pending

A Morphological Study on Galaxies Hosting Optical Variability-Selected AGNs in the COSMOS Field

Akio K. Inoue, Satoshi Yamanaka, Toru Yamada, Yuxing Zhong

arxiv:2111.15289 v1 · 2021-11-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVPOQXYYMSMED7SKVQDBFB3JWQ}

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	2026-07-05T03:55:12.533351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5ee85f18649841fe4aac06128769b42930d0506eedc0aa9d34899e8d719cab

Aliases

arxiv: 2111.15289 · arxiv_version: 2111.15289v1 · doi: 10.48550/arxiv.2111.15289 · pith_short_12: FVPOQXYYMSME · pith_short_16: FVPOQXYYMSMED7SK · pith_short_8: FVPOQXYY

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/FVPOQXYYMSMED7SKVQDBFB3JWQ \
  | 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: 2d5ee85f18649841fe4aac06128769b42930d0506eedc0aa9d34899e8d719cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db547281c23f0aaa21229a24f0a7a0a877e8ffd048f3203a3bed31aaa8ff24c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-30T11:09:12Z",
    "title_canon_sha256": "d5d1932ac8a61f5f2f4aa7d621c0215eb253547f8c697f7c99882d9e401febd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15289",
    "kind": "arxiv",
    "version": 1
  }
}