Pith Number

pith:GHWJ3UUC

pith:2026:GHWJ3UUC2SF7AC6CFOBFJUQGNC

not attested not anchored not stored refs pending

BBN constraints on primordial black holes with a continuous memory-burden crossover

Hong-Bo Jin, Mei-Ting Yang, Xuan-Yu Zhang

arxiv:2606.04707 v1 · 2026-06-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHWJ3UUC2SF7AC6CFOBFJUQGNC}

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	2026-06-04T01:09:25.919282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ec9dd282d48bf00bc22b8254d20668ad8351b58481bf31a1a71b97b268df2b

Aliases

arxiv: 2606.04707 · arxiv_version: 2606.04707v1 · doi: 10.48550/arxiv.2606.04707 · pith_short_12: GHWJ3UUC2SF7 · pith_short_16: GHWJ3UUC2SF7AC6C · pith_short_8: GHWJ3UUC

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/GHWJ3UUC2SF7AC6CFOBFJUQGNC \
  | 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: 31ec9dd282d48bf00bc22b8254d20668ad8351b58481bf31a1a71b97b268df2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9626bd933fa4b6556f6a2d805a1b6a58eebd38931ac72087bb985b619ea84286",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-03T10:36:39Z",
    "title_canon_sha256": "1d445409019c3940976bf0d55e3dcd15e2bce760f07d2ace82ac180eeb5d20f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04707",
    "kind": "arxiv",
    "version": 1
  }
}