Pith Number

pith:PSPTMQCJ

pith:2026:PSPTMQCJ4U7JT2TUJQS4F67KFT

not attested not anchored not stored refs pending

Constraints on the Sum of Neutrino Masses from ACT DR6 and DESI DR2 Considering Isocurvature Initial Conditions

Hongsheng Hou, Sai Wang, Xin Zhang, Zhi-Chao Zhao

arxiv:2606.17994 v1 · 2026-06-16 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSPTMQCJ4U7JT2TUJQS4F67KFT}

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	2026-06-19T16:10:45.456590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9f364049e53e99ea744c25c2fbea2cd297f037747740c6d6be7e5ee07a0332

Aliases

arxiv: 2606.17994 · arxiv_version: 2606.17994v1 · doi: 10.48550/arxiv.2606.17994 · pith_short_12: PSPTMQCJ4U7J · pith_short_16: PSPTMQCJ4U7JT2TU · pith_short_8: PSPTMQCJ

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/PSPTMQCJ4U7JT2TUJQS4F67KFT \
  | 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: 7c9f364049e53e99ea744c25c2fbea2cd297f037747740c6d6be7e5ee07a0332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2954273042d656bae3ea4ec4d8234fdfe5472506e9734b4abb03045290a104a2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-16T14:43:10Z",
    "title_canon_sha256": "6fd07700de2e78214d8790bacd1d20322583631632d5586edd98202bb3628958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17994",
    "kind": "arxiv",
    "version": 1
  }
}