Pith Number

pith:ZCAPIIC3

pith:2014:ZCAPIIC35RJTINCU4P2CQU33CD

not attested not anchored not stored refs pending

Low-rank SIFT: An Affine Invariant Feature for Place Recognition

Chao Yang, Jingdong Wang, Long Quan, Shengnan Caih

arxiv:1408.1688 v1 · 2014-08-07 · 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{ZCAPIIC35RJTINCU4P2CQU33CD}

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	2026-05-18T02:45:39.929135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c880f4205bec53343454e3f428537b10cb7893758e6818b72e62a17fc6154450

Aliases

arxiv: 1408.1688 · arxiv_version: 1408.1688v1 · doi: 10.48550/arxiv.1408.1688 · pith_short_12: ZCAPIIC35RJT · pith_short_16: ZCAPIIC35RJTINCU · pith_short_8: ZCAPIIC3

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/ZCAPIIC35RJTINCU4P2CQU33CD \
  | 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: c880f4205bec53343454e3f428537b10cb7893758e6818b72e62a17fc6154450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdb220cdcba24eae07a22a824459c1db5660533ce5e620cc0a7af7459a5719b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-08-07T19:49:13Z",
    "title_canon_sha256": "5a12db2d2265cf33cdd3d31f3331f6ce3031e0aff1043ffca4acdedbc741fba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1688",
    "kind": "arxiv",
    "version": 1
  }
}