Pith Number

pith:2U4MJAJI

pith:2015:2U4MJAJI4HDP7W4K6R52IMOFMK

not attested not anchored not stored refs pending

Weitzenb\"ock's Torsion, Fermi Coordinates and Adapted Frames

Bahram Mashhoon, Donato Bini

arxiv:1502.04183 v3 · 2015-02-14 · gr-qc

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:18:31.166360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d538c48128e1c6ffdb8af47ba431c56282b1109c308e3b674d7ec11045173a5b

Aliases

arxiv: 1502.04183 · arxiv_version: 1502.04183v3 · doi: 10.48550/arxiv.1502.04183 · pith_short_12: 2U4MJAJI4HDP · pith_short_16: 2U4MJAJI4HDP7W4K · pith_short_8: 2U4MJAJI

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/2U4MJAJI4HDP7W4K6R52IMOFMK \
  | 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: d538c48128e1c6ffdb8af47ba431c56282b1109c308e3b674d7ec11045173a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b967e8349dbd163edf3189879d2664b76e899a492f92ac6aca8a096ee8570212",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-14T10:05:37Z",
    "title_canon_sha256": "6ecde0c03eefe92b20f492c407fbf65327948085c3f2b0a0792aadebd747a503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04183",
    "kind": "arxiv",
    "version": 3
  }
}