Pith Number

pith:UEW53IW2

pith:2021:UEW53IW2PND4AWL3I5F64YE72J

not attested not anchored not stored refs pending

Search for Cosmological time dilation from Gamma-Ray Bursts -- A 2021 status update

Amitesh Singh, Shantanu Desai

arxiv:2108.00395 v2 · 2021-08-01 · astro-ph.HE · 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{UEW53IW2PND4AWL3I5F64YE72J}

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.

Cited by

1 paper in Pith

3+1 formalism of the minimally extended varying speed of light model

Receipt and verification

First computed	2026-07-05T03:54:01.442667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12ddda2da7b47c0597b474bee609fd25b4c84e91d0984c3bb18b0b8d15b709a

Aliases

arxiv: 2108.00395 · arxiv_version: 2108.00395v2 · doi: 10.48550/arxiv.2108.00395 · pith_short_12: UEW53IW2PND4 · pith_short_16: UEW53IW2PND4AWL3 · pith_short_8: UEW53IW2

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/UEW53IW2PND4AWL3I5F64YE72J \
  | 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: a12ddda2da7b47c0597b474bee609fd25b4c84e91d0984c3bb18b0b8d15b709a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0271dc786f1936fbc9155049c595799d8284a5f9e36c039fee1b270a1c2787b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-01T08:30:04Z",
    "title_canon_sha256": "69c48209191a47fdb94c6eacbd02dad0a0ea80ed83bcc77e8256cfd678ce4a6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00395",
    "kind": "arxiv",
    "version": 2
  }
}