Pith Number

pith:POTO77HJ

pith:2020:POTO77HJVKNB74M7HE2UE6IHER

not attested not anchored not stored refs pending

Shape From Tracing: Towards Reconstructing 3D Object Geometry and SVBRDF Material from Images via Differentiable Path Tracing

Daniel Ritchie, James Guesman, James Tompkin, Loudon Cohen, Purvi Goel, Vikas Thamizharasan

arxiv:2012.03939 v1 · 2020-12-06 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POTO77HJVKNB74M7HE2UE6IHER}

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	2026-07-05T01:57:36.820018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba6effce9aa9a1ff19f3935427907245b226eb3a3506c98c4351f21dbdf8963

Aliases

arxiv: 2012.03939 · arxiv_version: 2012.03939v1 · doi: 10.48550/arxiv.2012.03939 · pith_short_12: POTO77HJVKNB · pith_short_16: POTO77HJVKNB74M7 · pith_short_8: POTO77HJ

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/POTO77HJVKNB74M7HE2UE6IHER \
  | 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: 7ba6effce9aa9a1ff19f3935427907245b226eb3a3506c98c4351f21dbdf8963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546010e1e338a46450967a509024561bd7a3c2ff645ae46cb806e939a3afd1cd",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-06T18:55:35Z",
    "title_canon_sha256": "f3bd40008026796fd8797fbb64cbcf28018c7cba3f38f6c536cc4caa28254ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03939",
    "kind": "arxiv",
    "version": 1
  }
}