Pith Number

pith:BJPU2UCO

pith:2021:BJPU2UCORH6RLAMGV4JQSJWQ3O

not attested not anchored not stored refs pending

HI 21 cm observation and mass models of the extremely thin galaxy FGC 1440

Aleksandra Antipova, Aleksandr Mosenkov, Arunima Banerjee, Dmitry Makarov, K. Aditya, Peter Kamphuis, Sviatoslav Borisov

arxiv:2110.15478 v1 · 2021-10-29 · 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{BJPU2UCORH6RLAMGV4JQSJWQ3O}

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	2026-07-05T03:32:25.844826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5f4d504e89fd158186af130926d0db834cf2e26c14e2f020df40ab04e9c67d

Aliases

arxiv: 2110.15478 · arxiv_version: 2110.15478v1 · doi: 10.48550/arxiv.2110.15478 · pith_short_12: BJPU2UCORH6R · pith_short_16: BJPU2UCORH6RLAMG · pith_short_8: BJPU2UCO

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/BJPU2UCORH6RLAMGV4JQSJWQ3O \
  | 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: 0a5f4d504e89fd158186af130926d0db834cf2e26c14e2f020df40ab04e9c67d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93dec1f1c657a61281414e25dbcc0e2cd2867bdd29476bb9b3b89264e8564371",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-29T00:55:51Z",
    "title_canon_sha256": "beb6c9a070ec73ea8793aa6cafea09a2b7ade4a60c8de07ad30b026a4bfb61b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15478",
    "kind": "arxiv",
    "version": 1
  }
}