Pith Number

pith:4PGXXJJS

pith:2023:4PGXXJJS74HGX7SKJYX22DMNQX

not attested not anchored not stored refs pending

JAX FDM: A differentiable solver for inverse form-finding

Deniz Oktay, Rafael Pastrana, Ryan P. Adams, Sigrid Adriaenssens

arxiv:2307.12407 v2 · 2023-07-23 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PGXXJJS74HGX7SKJYX22DMNQX}

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	2026-07-05T07:06:32.361053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3cd7ba532ff0e6bfe4a4e2fad0d8d85f8b1c98a28aa265e7113171b6c4d1609

Aliases

arxiv: 2307.12407 · arxiv_version: 2307.12407v2 · doi: 10.48550/arxiv.2307.12407 · pith_short_12: 4PGXXJJS74HG · pith_short_16: 4PGXXJJS74HGX7SK · pith_short_8: 4PGXXJJS

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/4PGXXJJS74HGX7SKJYX22DMNQX \
  | 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: e3cd7ba532ff0e6bfe4a4e2fad0d8d85f8b1c98a28aa265e7113171b6c4d1609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78cb927984c473d2867d119046893a54ac9901727c88308b6df2e723936d7fbd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2023-07-23T19:15:34Z",
    "title_canon_sha256": "220d11fd94908be1e8f0ed3002f050c1e04caa576d0efaff0543e5164903e3ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.12407",
    "kind": "arxiv",
    "version": 2
  }
}