Pith Number

pith:DPUM5DHP

pith:2021:DPUM5DHPUMEL27FJFOWXUDD4GI

not attested not anchored not stored refs pending

Real-space nanoimaging of THz polaritons in the topological insulator Bi2Se3

Alexey Y. Nikitin, Andrei Bylinkin, Greeshma Chandan, Martin Schnell, Peining Li, Rainer Hillenbrand, Shu Chen, Stephanie Law, Zhengtianye Wang

arxiv:2107.10791 v2 · 2021-07-22 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPUM5DHPUMEL27FJFOWXUDD4GI}

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	2026-07-05T04:08:15.803297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be8ce8cefa308bd7ca92bad7a0c7c321e73b29ba9620bccaeb5fa9a39204c8c

Aliases

arxiv: 2107.10791 · arxiv_version: 2107.10791v2 · doi: 10.48550/arxiv.2107.10791 · pith_short_12: DPUM5DHPUMEL · pith_short_16: DPUM5DHPUMEL27FJ · pith_short_8: DPUM5DHP

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/DPUM5DHPUMEL27FJFOWXUDD4GI \
  | 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: 1be8ce8cefa308bd7ca92bad7a0c7c321e73b29ba9620bccaeb5fa9a39204c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08cc15d10b3b4ca0e6dfb1de91881eeecc05c6cbe7198bc7c7119a8468cc569b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-07-22T16:46:52Z",
    "title_canon_sha256": "c33cc0a609298c771a9323d5e650b8ce557b8831aab62b004eb0fca0b66c45cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10791",
    "kind": "arxiv",
    "version": 2
  }
}