Pith Number

pith:HBKWAFWI

pith:2025:HBKWAFWIV3T5JPAM2SEX6FM5EM

not attested not anchored not stored refs pending

Introducing the Phoebos simulation: galaxy properties at the dawn of galaxy formation

Darren S. Reed, Floor van Donkelaar, Lucio Mayer, Pedro R. Capelo, Thomas R. Quinn

arxiv:2507.04927 v1 · 2025-07-07 · astro-ph.GA · 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{HBKWAFWIV3T5JPAM2SEX6FM5EM}

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	2026-07-05T11:33:06.612641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38556016c8aee7d4bc0cd4897f159d23213a108df3603d62fe4c48dfb8715e2b

Aliases

arxiv: 2507.04927 · arxiv_version: 2507.04927v1 · doi: 10.48550/arxiv.2507.04927 · pith_short_12: HBKWAFWIV3T5 · pith_short_16: HBKWAFWIV3T5JPAM · pith_short_8: HBKWAFWI

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/HBKWAFWIV3T5JPAM2SEX6FM5EM \
  | 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: 38556016c8aee7d4bc0cd4897f159d23213a108df3603d62fe4c48dfb8715e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c32e6c44c57b168cdd555776b48e94637e35fcc8a835db03f6999e7c6ed23e0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-07T12:22:09Z",
    "title_canon_sha256": "a3604b53fddfb67ff9152d67e0b9737acff5ab9d11ddf3fe74eedfdfe2cbba4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04927",
    "kind": "arxiv",
    "version": 1
  }
}