Pith Number

pith:SRTNWRCI

pith:2026:SRTNWRCIBXX3PM6XULX4PAJG5K

not attested not anchored not stored refs pending

Cosmography for a General Spacetime Centred at Arbitrary Redshift

Asta Heinesen, Jonas Broe Bendtsen, Sofie Marie Koksbang

arxiv:2608.07008 v1 · 2026-08-07 · 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{SRTNWRCIBXX3PM6XULX4PAJG5K}

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	2026-08-10T01:12:50.113399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9466db44480defb7b3d7a2efc78126ea8175720998dc7b8c879c854d1e31d1f1

Aliases

arxiv: 2608.07008 · arxiv_version: 2608.07008v1 · doi: 10.48550/arxiv.2608.07008 · pith_short_12: SRTNWRCIBXX3 · pith_short_16: SRTNWRCIBXX3PM6X · pith_short_8: SRTNWRCI

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/SRTNWRCIBXX3PM6XULX4PAJG5K \
  | 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: 9466db44480defb7b3d7a2efc78126ea8175720998dc7b8c879c854d1e31d1f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86d503d184b8887bed2f0932add3319d6fe233af97d8e7ef607c34ab2afd449",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-08-07T09:21:51Z",
    "title_canon_sha256": "69e394c639cafc26e35d4772ed3854d02b46427170d0ad877b43470521eb8d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07008",
    "kind": "arxiv",
    "version": 1
  }
}