Pith Number

pith:UPR7MQQ4

pith:2013:UPR7MQQ4INUZBBW5WXQC2OVIOK

not attested not anchored not stored refs pending

Atomic force microscope based indentation stiffness tomography - An asymptotic model

Ivan Argatov

arxiv:1311.5365 v1 · 2013-11-21 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPR7MQQ4INUZBBW5WXQC2OVIOK}

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	2026-05-18T03:06:33.579611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e3f6421c43699086ddb5e02d3aa872b4ce07c48a1c9d52a32414eaa29ce49d

Aliases

arxiv: 1311.5365 · arxiv_version: 1311.5365v1 · doi: 10.48550/arxiv.1311.5365 · pith_short_12: UPR7MQQ4INUZ · pith_short_16: UPR7MQQ4INUZBBW5 · pith_short_8: UPR7MQQ4

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/UPR7MQQ4INUZBBW5WXQC2OVIOK \
  | 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: a3e3f6421c43699086ddb5e02d3aa872b4ce07c48a1c9d52a32414eaa29ce49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "339cc2ce6793041d0bea68215a0419b4aa541d3ad3680c9e9de5966524302085",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-21T10:58:47Z",
    "title_canon_sha256": "aea515b36774de1d55276550049804454dc02a60168fe7ab72a7a0eddf6ab95d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5365",
    "kind": "arxiv",
    "version": 1
  }
}