Pith Number

pith:PR3TA6AA

pith:2017:PR3TA6AAYJUOCGSQ42BJFLGZJE

not attested not anchored not stored refs pending

Automatic Estimation of Ice Bottom Surfaces from Radar Imagery

David J Crandall, Geoffrey C Fox, John D Paden, Mingze Xu

arxiv:1712.07758 v1 · 2017-12-21 · 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{PR3TA6AAYJUOCGSQ42BJFLGZJE}

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	2026-05-18T00:27:30.981380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c77307800c268e11a50e68292acd94918bed2714e2b8d69e05dc451a2aa96a8

Aliases

arxiv: 1712.07758 · arxiv_version: 1712.07758v1 · doi: 10.48550/arxiv.1712.07758 · pith_short_12: PR3TA6AAYJUO · pith_short_16: PR3TA6AAYJUOCGSQ · pith_short_8: PR3TA6AA

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/PR3TA6AAYJUOCGSQ42BJFLGZJE \
  | 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: 7c77307800c268e11a50e68292acd94918bed2714e2b8d69e05dc451a2aa96a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6f817c8a08b44f884eedbbf9b3f0d566b3497785e9654ddc4b72afe9db12dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-21T00:56:47Z",
    "title_canon_sha256": "01a93ef0960c06d36a8a37c9616d9d8add5ae01abbc3457eceea2a9ed0433918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07758",
    "kind": "arxiv",
    "version": 1
  }
}