Pith Number

pith:JGJ3ME2O

pith:2017:JGJ3ME2OIMZY4SRMU5AHVTQSYJ

not attested not anchored not stored refs pending

An extension of Poincar\'e group based on generalized Fermi-Walker coordinates

Josep Llosa

arxiv:1701.08176 v1 · 2017-01-27 · 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{JGJ3ME2OIMZY4SRMU5AHVTQSYJ}

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	2026-05-18T00:30:11.630609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4993b6134e43338e4a2ca7407ace12c27fd61e34d8defc9c4cbcd24abcf7f7a3

Aliases

arxiv: 1701.08176 · arxiv_version: 1701.08176v1 · doi: 10.48550/arxiv.1701.08176 · pith_short_12: JGJ3ME2OIMZY · pith_short_16: JGJ3ME2OIMZY4SRM · pith_short_8: JGJ3ME2O

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/JGJ3ME2OIMZY4SRMU5AHVTQSYJ \
  | 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: 4993b6134e43338e4a2ca7407ace12c27fd61e34d8defc9c4cbcd24abcf7f7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d008075104a26788f7700ade584a4d862d5aadd7e1ef9097c75a955a0e63548f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-27T19:18:14Z",
    "title_canon_sha256": "9003d0574aa1ad3c32835dfb1ee9a5a529f440f38ce77f1f84305f1a706a6dfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08176",
    "kind": "arxiv",
    "version": 1
  }
}