Pith Number

pith:XGIMXDYJ

pith:2021:XGIMXDYJ2YFERKBX6ARQ3ULHKT

not attested not anchored not stored refs pending

Shape and Material Capture at Home

Daniel Lichy, David W. Jacobs, Jiaye Wu, Soumyadip Sengupta

arxiv:2104.06397 v1 · 2021-04-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGIMXDYJ2YFERKBX6ARQ3ULHKT}

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	2026-07-05T02:31:57.019693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b990cb8f09d60a48a837f0230dd16754eb94e5b6024e6d79d18e858a47cb4b6a

Aliases

arxiv: 2104.06397 · arxiv_version: 2104.06397v1 · doi: 10.48550/arxiv.2104.06397 · pith_short_12: XGIMXDYJ2YFE · pith_short_16: XGIMXDYJ2YFERKBX · pith_short_8: XGIMXDYJ

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/XGIMXDYJ2YFERKBX6ARQ3ULHKT \
  | 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: b990cb8f09d60a48a837f0230dd16754eb94e5b6024e6d79d18e858a47cb4b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c386cc00fdd27136bb569fcd53b2ec7857aeabe62f3973b8884c3be09e05cbb4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-13T17:57:34Z",
    "title_canon_sha256": "244dc51aa3e0b1abcca38b6695830e24f07444e0fae612f9c915ad38d901b648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06397",
    "kind": "arxiv",
    "version": 1
  }
}