Pith Number

pith:VFRMHCPX

pith:2021:VFRMHCPXKWPJNSKOQK3AXNUEW4

not attested not anchored not stored refs pending

A Technical Report for ICCV 2021 VIPriors Re-identification Challenge

Cen Liu, Yue Lin, Yunbo Peng

arxiv:2109.15164 v1 · 2021-09-30 · 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{VFRMHCPXKWPJNSKOQK3AXNUEW4}

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	2026-07-05T03:18:56.165433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a962c389f7559e96c94e82b60bb684b72ab4efcbe7bfd5bba7e78bc3b53d4991

Aliases

arxiv: 2109.15164 · arxiv_version: 2109.15164v1 · doi: 10.48550/arxiv.2109.15164 · pith_short_12: VFRMHCPXKWPJ · pith_short_16: VFRMHCPXKWPJNSKO · pith_short_8: VFRMHCPX

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/VFRMHCPXKWPJNSKOQK3AXNUEW4 \
  | 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: a962c389f7559e96c94e82b60bb684b72ab4efcbe7bfd5bba7e78bc3b53d4991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2bf735ce5f7fbfb21d3c5cee57b1ce628a6cf098726aa645f1e68953147719a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-30T14:29:31Z",
    "title_canon_sha256": "127076b345e0342933999087feadc4c17b302efa9ad68a9c7212179324b03b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.15164",
    "kind": "arxiv",
    "version": 1
  }
}