Pith Number

pith:GJID2GS2

pith:2015:GJID2GS2ZSJKDQGV3YSHVC26ID

not attested not anchored not stored refs pending

MegaFace: A Million Faces for Recognition at Scale

D. Miller, E. Brossard, I. Kemelmacher-Shlizerman, S. Seitz

arxiv:1505.02108 v2 · 2015-05-08 · 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{GJID2GS2ZSJKDQGV3YSHVC26ID}

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	2026-05-18T01:33:51.608562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32503d1a5acc92a1c0d5de247a8b5e40f80d396127cd52dce1003223f19752c6

Aliases

arxiv: 1505.02108 · arxiv_version: 1505.02108v2 · doi: 10.48550/arxiv.1505.02108 · pith_short_12: GJID2GS2ZSJK · pith_short_16: GJID2GS2ZSJKDQGV · pith_short_8: GJID2GS2

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/GJID2GS2ZSJKDQGV3YSHVC26ID \
  | 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: 32503d1a5acc92a1c0d5de247a8b5e40f80d396127cd52dce1003223f19752c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a31452e6968483b9e08d405775376d87ae8c0ffcd16c42ff9fcf49bd2fa0556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-08T17:39:23Z",
    "title_canon_sha256": "f79dc8bb7cbf0d3889bd1b0099b750ff5cdbe715831e8fba45e1222bcdb8f3b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02108",
    "kind": "arxiv",
    "version": 2
  }
}