Pith Number

pith:BGLWB3RS

pith:2026:BGLWB3RSAOOUJIZERLRMS5GAYL

not attested not anchored not stored refs pending

The location of the upper edge of the pair-instability supernovae black hole mass gap

Djuna Croon, Jeremy Sakstein

arxiv:2606.31757 v1 · 2026-06-30 · astro-ph.HE · astro-ph.CO · astro-ph.IM · astro-ph.SR · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGLWB3RSAOOUJIZERLRMS5GAYL}

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	2026-07-01T01:18:13.881642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

099760ee32039d44a3248ae2c974c0c2ff6d54f5a6ee9ce38008e17ed467a388

Aliases

arxiv: 2606.31757 · arxiv_version: 2606.31757v1 · doi: 10.48550/arxiv.2606.31757 · pith_short_12: BGLWB3RSAOOU · pith_short_16: BGLWB3RSAOOUJIZE · pith_short_8: BGLWB3RS

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/BGLWB3RSAOOUJIZERLRMS5GAYL \
  | 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: 099760ee32039d44a3248ae2c974c0c2ff6d54f5a6ee9ce38008e17ed467a388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d89332c66e3a404aa5c074a3c6fdf0891b507d090b30e6927796d8d2696c93",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-30T14:45:45Z",
    "title_canon_sha256": "ff248fa6ac973a5bf76b84259f87610864c43db53e62a57b54e4e50e22800bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31757",
    "kind": "arxiv",
    "version": 1
  }
}