Pith Number

pith:YU7KVFGS

pith:2025:YU7KVFGS2PKOS43UPXTTYT7PGY

not attested not anchored not stored refs pending

Upper Limits on the Mass of Cool Gas in the Circumgalactic Medium of Dwarf Galaxies

Benjamin D. Oppenheimer, Yakov Faerman, Yong Zheng

arxiv:2501.02056 v2 · 2025-01-03 · 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{YU7KVFGS2PKOS43UPXTTYT7PGY}

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	2026-07-05T10:28:31.673305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c53eaa94d2d3d4e973747de73c4fef36274fddd491812289e690bd4a76548999

Aliases

arxiv: 2501.02056 · arxiv_version: 2501.02056v2 · doi: 10.48550/arxiv.2501.02056 · pith_short_12: YU7KVFGS2PKO · pith_short_16: YU7KVFGS2PKOS43U · pith_short_8: YU7KVFGS

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/YU7KVFGS2PKOS43UPXTTYT7PGY \
  | 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: c53eaa94d2d3d4e973747de73c4fef36274fddd491812289e690bd4a76548999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "286770b1d0f4b6b3ef5a6b49098aa5d38a83c78fd101737d5373e7306dc4bfd0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-03T19:00:03Z",
    "title_canon_sha256": "f4012b8678650a5f0ed5dec8df465db7bd0c14cf4a4c3dfb723afd4a05e1400e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02056",
    "kind": "arxiv",
    "version": 2
  }
}