Pith Number

pith:TGPY7TX5

pith:2018:TGPY7TX5HXXM72KWOPMWL6VOEM

not attested not anchored not stored refs pending

Phonon mode softening and elastic properties of hafnium under pressure

D. Novoselov, V. I. Anisimov, Yu. S. Ponosov

arxiv:1802.07531 v1 · 2018-02-21 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGPY7TX5HXXM72KWOPMWL6VOEM}

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	2026-05-18T00:14:08.399652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

999f8fcefd3deecfe95673d965faae2319bcc9ce19fb606fec3f021837572dc4

Aliases

arxiv: 1802.07531 · arxiv_version: 1802.07531v1 · doi: 10.48550/arxiv.1802.07531 · pith_short_12: TGPY7TX5HXXM · pith_short_16: TGPY7TX5HXXM72KW · pith_short_8: TGPY7TX5

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/TGPY7TX5HXXM72KWOPMWL6VOEM \
  | 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: 999f8fcefd3deecfe95673d965faae2319bcc9ce19fb606fec3f021837572dc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08865fb93c3014e6929dbd317114eeabfa244b6072cbbdeb0ab2d5a562dfe596",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-02-21T12:01:26Z",
    "title_canon_sha256": "a786046dddedf40c9ed691f9f4b5f948eef9926859c7eaea74e9cbf45e392fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07531",
    "kind": "arxiv",
    "version": 1
  }
}