Pith Number

pith:OYYRFJNI

pith:2019:OYYRFJNI2Y5DAWXREZEZRRBUFV

not attested not anchored not stored refs pending

Acoustic Performance of Micro-Grooved Elements

F. Auriemma

arxiv:1901.07235 v1 · 2019-01-22 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYYRFJNI2Y5DAWXREZEZRRBUFV}

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	2026-05-17T23:55:47.718241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

763112a5a8d63a305af1264998c4342d6d93fee0162eb97267b2743a26f509d1

Aliases

arxiv: 1901.07235 · arxiv_version: 1901.07235v1 · doi: 10.48550/arxiv.1901.07235 · pith_short_12: OYYRFJNI2Y5D · pith_short_16: OYYRFJNI2Y5DAWXR · pith_short_8: OYYRFJNI

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/OYYRFJNI2Y5DAWXREZEZRRBUFV \
  | 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: 763112a5a8d63a305af1264998c4342d6d93fee0162eb97267b2743a26f509d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377cfaea009f7bb5bc96d8993b56240696f82898fe30329c172111921022f397",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-01-22T10:06:47Z",
    "title_canon_sha256": "f2c8946875d7d6d96eacb92d41999a452993d99d8d9d0c15f5ae6d011f9588eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07235",
    "kind": "arxiv",
    "version": 1
  }
}