Pith Number

pith:FDTFOB4Z

pith:2021:FDTFOB4ZBWXQWRDAWMTGX2PMVY

not attested not anchored not stored refs pending

Neural networks and standard cosmography with newly calibrated high redshift GRB observations

Celia Escamilla-Rivera, Cristian Zamora, Martin Hendry, Maryi Carvajal

arxiv:2109.00636 v2 · 2021-09-01 · astro-ph.CO · 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{FDTFOB4ZBWXQWRDAWMTGX2PMVY}

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	2026-07-05T04:15:45.574255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e65707990daf0b4460b3266be9ecae261c205aa8ba8dd47a6eddfae23126cd

Aliases

arxiv: 2109.00636 · arxiv_version: 2109.00636v2 · doi: 10.48550/arxiv.2109.00636 · pith_short_12: FDTFOB4ZBWXQ · pith_short_16: FDTFOB4ZBWXQWRDA · pith_short_8: FDTFOB4Z

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/FDTFOB4ZBWXQWRDAWMTGX2PMVY \
  | 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: 28e65707990daf0b4460b3266be9ecae261c205aa8ba8dd47a6eddfae23126cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8537fcbd0a222d7f66f25e30def636e17f70c1c294266b8f68e3734ffa8f8a6e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-01T22:12:09Z",
    "title_canon_sha256": "15c63503750d264cb31f42d846a7963bd1251f91969a4a15cf44c244a8047695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00636",
    "kind": "arxiv",
    "version": 2
  }
}